this report has been filed here:

https://bugs.edge.launchpad.net/ubuntu/+source/poppler/+bug/633574

"Reproduces when scrolling down to page 4 of http://www.ctan.org/tex-archive/macros/latex/contrib/microtype/microtype.pdf on at least x86-64 architecture."

"Hilo 5 (Thread 0xb2f12b70 (LWP 22406)):
#0  OptionalContentGroup::getRef (this=0x0) at OptionalContent.cc:314
No locales.
#1  0x051c58ca in get_layer_for_ref (document=<value optimized out>, 
    layers=<value optimized out>, ref=0xb245abe0, preserve_rb=1)
    at poppler-action.cc:533
        layer = <value optimized out>
        ocgRef = <value optimized out>
        l = 0x225017b0
#2  0x051c61b7 in build_ocg_state (document=0x22678320, link=0xb2395830, 
    title=0x0) at poppler-action.cc:586
        layer = <value optimized out>
        list = 0xb23e3e78
        preserve_rb = 1
        i = 0
        layer_state = 0x0
        st_list = 0xb24c33e8
        j = 1
#3  _poppler_action_new (document=0x22678320, link=0xb2395830, title=0x0)
    at poppler-action.cc:645
No locales.
#4  0x051ccf1f in poppler_page_get_link_mapping (page=0x226e7ee0)
    at poppler-page.cc:1261
        link_action = <value optimized out>
        link = 0xb239b160
        i = 0
        obj = {type = objNone, {booln = -1303332392, intg = -1303332392, 
            uintg = 2991634904, real = 1.4780640309659756e-314, 
            string = 0xb250b9d8, name = 0xb250b9d8 "Ȗn\"\360\271P\262\b", 
            array = 0xb250b9d8, dict = 0xb250b9d8, stream = 0xb250b9d8, ref = {
              num = -1303332392, gen = 0}, 
            cmd = 0xb250b9d8 "Ȗn\"\360\271P\262\b"}}
        __PRETTY_FUNCTION__ = "GList* poppler_page_get_link_mapping(PopplerPage*)"
        map_list = <value optimized out>
        width = 595.27600000000007
        height = 841.88999999999999
#5  0x00c68e7c in pdf_document_links_get_links (document_links=0x224e3ec8, 
    page=0xb23a0e00)
    at /build/buildd/evince-2.31.90/./backend/pdf/ev-poppler.cc:1268
        pdf_document = 0x224e3ec8
        retval = 0x226ec2e8
        list = <value optimized out>
        mapping_list = 0x0
        height = <value optimized out>
#6  0x00df467a in ev_document_links_get_links (document_links=0x224e3ec8, 
    page=0xb23a0e00)
    at /build/buildd/evince-2.31.90/./libdocument/ev-document-links.c:63
No locales.
#7  0x00599363 in ev_job_page_data_run (job=0x224a05a8)
    at /build/buildd/evince-2.31.90/./libview/ev-jobs.c:692
        job_pd = 0x224a05a8
        ev_page = 0xb23a0e00
#8  0x00596361 in ev_job_run (job=0x224a05a8)
    at /build/buildd/evince-2.31.90/./libview/ev-jobs.c:214
No locales.
#9  0x0059a358 in ev_job_thread (data=0x0)
    at /build/buildd/evince-2.31.90/./libview/ev-job-scheduler.c:183
        result = <value optimized out>
#10 ev_job_thread_proxy (data=0x0)
    at /build/buildd/evince-2.31.90/./libview/ev-job-scheduler.c:213
        job = 0x2273af28
#11 0x00642eef in g_thread_create_proxy (data=0x2265f3d8)
    at /build/buildd/glib2.0-2.25.15/glib/gthread.c:1897
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#12 0x006d3cc9 in start_thread (arg=0xb2f12b70) at pthread_create.c:304
        __res = <value optimized out>
        __ignore1 = <value optimized out>
        __ignore2 = <value optimized out>
        pd = 0xb2f12b70
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {7229428, 0, 4001536, 
                -1292819704, -2019742684, -1080008895}, mask_was_saved = 0}}, 
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, 
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#13 0x008706ae in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locales.

Hilo 4 (Thread 0xb63e2b70 (LWP 22401)):
#0  0x00995416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x006d8884 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:236
No locales.
#2  0x002e6ede in g_cond_timed_wait_posix_impl (cond=0xfffffdfc, 
    entered_mutex=0x1, abs_time=0xb63e2198)
    at /build/buildd/glib2.0-2.25.15/gthread/gthread-posix.c:242
        result = <value optimized out>
        end_time = {tv_sec = 1284062473, tv_nsec = 449946000}
        timed_out = <value optimized out>
        __PRETTY_FUNCTION__ = "g_cond_timed_wait_posix_impl"
#3  0x005ed22c in g_async_queue_pop_intern_unlocked (queue=0x224ec720, 
    try=<value optimized out>, end_time=0xb63e2198)
    at /build/buildd/glib2.0-2.25.15/glib/gasyncqueue.c:423
        retval = <value optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#4  0x005ed35d in g_async_queue_timed_pop (queue=0x224ec720, 
    end_time=0xb63e2198)
    at /build/buildd/glib2.0-2.25.15/glib/gasyncqueue.c:549
        retval = <value optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_timed_pop"
#5  0x00644d97 in g_thread_pool_wait_for_new_pool (data=0x224ee2f0)
    at /build/buildd/glib2.0-2.25.15/glib/gthreadpool.c:170
        end_time = {tv_sec = 1284062473, tv_usec = 449946}
        local_max_idle_time = 15000
        local_max_unused_threads = 2
        last_wakeup_thread_serial = <value optimized out>
        have_relayed_thread_marker = 0
#6  g_thread_pool_thread_proxy (data=0x224ee2f0)
    at /build/buildd/glib2.0-2.25.15/glib/gthreadpool.c:373
        task = <value optimized out>
        pool = <value optimized out>
#7  0x00642eef in g_thread_create_proxy (data=0x224ee758)
    at /build/buildd/glib2.0-2.25.15/glib/gthread.c:1897
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x006d3cc9 in start_thread (arg=0xb63e2b70) at pthread_create.c:304
        __res = <value optimized out>
        __ignore1 = <value optimized out>
        __ignore2 = <value optimized out>
        pd = 0xb63e2b70
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {7229428, 0, 4001536, 
                -1237441784, 429730861, -1080008895}, mask_was_saved = 0}}, 
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, 
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x008706ae in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locales.

Hilo 2 (Thread 0xb73e4b70 (LWP 22399)):
#0  0x00995416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00861de6 in __poll (fds=0x8f9ff4, nfds=3, timeout=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <value optimized out>
        oldtype = 0
        result = <value optimized out>
#2  0x0062925b in g_poll (fds=0x224eb890, nfds=3, timeout=-1)
    at /build/buildd/glib2.0-2.25.15/glib/gpoll.c:126
No locales.
#3  0x0061bbfc in g_main_context_poll (context=0x224e9098, 
    block=<value optimized out>, dispatch=1, self=0x224cd420)
    at /build/buildd/glib2.0-2.25.15/glib/gmain.c:3063
        poll_func = 0x629230 <g_poll>
#4  g_main_context_iterate (context=0x224e9098, block=<value optimized out>, 
    dispatch=1, self=0x224cd420)
    at /build/buildd/glib2.0-2.25.15/glib/gmain.c:2745
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 3
        allocated_nfds = <value optimized out>
        fds = <value optimized out>
        __PRETTY_FUNCTION__ = "g_main_context_iterate"
#5  0x0061c367 in g_main_loop_run (loop=0x224cd3d0)
    at /build/buildd/glib2.0-2.25.15/glib/gmain.c:2958
        self = 0x224cd420
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x004eea64 in shared_thread_func (data=0x0)
    at /build/buildd/glib2.0-2.25.15/gio/gdbusprivate.c:248
No locales.
#7  0x00642eef in g_thread_create_proxy (data=0x224cd420)
    at /build/buildd/glib2.0-2.25.15/glib/gthread.c:1897
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x006d3cc9 in start_thread (arg=0xb73e4b70) at pthread_create.c:304
        __res = <value optimized out>
        __ignore1 = <value optimized out>
        __ignore2 = <value optimized out>
        pd = 0xb73e4b70
        now = <value optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {7229428, 0, 4001536, 
                -1220656376, 425536559, -1080008895}, mask_was_saved = 0}}, 
          priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, 
              cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x008706ae in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locales.

Hilo 1 (Thread 0xb7781850 (LWP 22396)):
#0  0x00995416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00861de6 in __poll (fds=0x8f9ff4, nfds=5, timeout=216)
    at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <value optimized out>
        oldtype = 0
        result = <value optimized out>
#2  0x0062925b in g_poll (fds=0x224f58d0, nfds=5, timeout=216)
    at /build/buildd/glib2.0-2.25.15/glib/gpoll.c:126
No locales.
#3  0x0061bbfc in g_main_context_poll (context=0x224898c8, 
    block=<value optimized out>, dispatch=1, self=0x22472028)
    at /build/buildd/glib2.0-2.25.15/glib/gmain.c:3063
        poll_func = 0x629230 <g_poll>
#4  g_main_context_iterate (context=0x224898c8, block=<value optimized out>, 
    dispatch=1, self=0x22472028)
    at /build/buildd/glib2.0-2.25.15/glib/gmain.c:2745
        max_priority = 2147483647
        timeout = 216
        some_ready = <value optimized out>
        nfds = 5
        allocated_nfds = <value optimized out>
        fds = <value optimized out>
        __PRETTY_FUNCTION__ = "g_main_context_iterate"
#5  0x0061c367 in g_main_loop_run (loop=0x224f5b90)
    at /build/buildd/glib2.0-2.25.15/glib/gmain.c:2958
        self = 0x22472028
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x0100e749 in IA__gtk_main ()
    at /build/buildd/gtk+2.0-2.21.7/gtk/gtkmain.c:1237
        tmp_list = 0x0
        functions = 0x0
        init = 0x0
        loop = 0x224f5b90
#7  0x00b05282 in main ()"