this report has been filed here:

https://bugs.edge.launchpad.net/ubuntu/+source/poppler/+bug/288429

"evince crashes with the following pdf:

http://launchpadlibrarian.net/19468834/bowdengas.LabelGenerationServlet

"

.
Thread 1 (process 23427):
#0  Form::findWidgetByRef (this=0x0, aref={num = 41, gen = 0}) at Form.cc:1231
	i = 0
#1  0xb6fcff84 in AnnotWidget::initialize (this=0x96e45a8, xrefA=0x960a278, catalog=0x960a2e8, 
    dict=0x96e3900) at Annot.cc:1735
	obj1 = {type = objNone, {booln = 0, intg = 0, real = 2.999345074789527e-263, string = 0x0, 
    name = 0x0, array = 0x0, dict = 0x0, stream = 0x0, ref = {num = 0, gen = 158218496}, cmd = 0x0}}
#2  0xb6fd0294 in AnnotWidget (this=0x96e45a8, xrefA=0x960a278, dict=0x96e3900, catalog=0x960a2e8, 
    obj=0xbf916894) at Annot.cc:1714
No locals.
#3  0xb6fd26b2 in Annots::createAnnot (this=0x96cded8, xref=0x960a278, dict=0x96e3900, 
    catalog=0x960a2e8, obj=0xbf916894) at Annot.cc:3394
	typeName = (GooString *) 0x96692e0
	annot = <value optimized out>
	obj1 = {type = objName, {booln = 158219384, intg = 158219384, real = 278.47998946248072, 
    string = 0x96e3c78, name = 0x96e3c78 "Widget", array = 0x96e3c78, dict = 0x96e3c78, 
    stream = 0x96e3c78, ref = {num = 158219384, gen = 1081173934}, cmd = 0x96e3c78 "Widget"}}
#4  0xb6fd29ca in Annots (this=0x96cded8, xref=0x960a278, catalog=0x960a2e8, annotsObj=0xbf91693c)
    at Annot.cc:3333
No locals.
#5  0xb7038666 in Page::displaySlice (this=0x960afe8, out=0x960c500, hDPI=15.058823529411764, 
    vDPI=15.058823529411764, rotate=0, useMediaBox=0, crop=1, sliceX=0, sliceY=0, sliceW=128, 
    sliceH=165, printing=0, catalog=0x960a2e8, abortCheckCbk=0, abortCheckCbkData=0x0, 
    annotDisplayDecideCbk=0, annotDisplayDecideCbkData=0x0) at Page.cc:421
	gfx = (Gfx *) 0x9645e98
	obj = {type = objArray, {booln = 158146448, intg = 158146448, 
    real = 1.5428969385246546e-263, string = 0x96d1f90, name = 0x96d1f90 "x¢`\tèzm\t\b", 
    array = 0x96d1f90, dict = 0x96d1f90, stream = 0x96d1f90, ref = {num = 158146448, 
      gen = 157227008}, cmd = 0x96d1f90 "x¢`\tèzm\t\b"}}
	annotList = (Annots *) 0x96cded8
	i = <value optimized out>
#6  0xb72e62f6 in _poppler_page_render_to_pixbuf (page=0x95e2118, src_x=0, src_y=0, src_width=128, 
    src_height=165, scale=0.20915032679738563, rotation=0, printing=0, pixbuf=0x960ba48)
    at poppler-page.cc:751
	data = {cairo_data = 0x9630f00 'ÿ' <repeats 200 times>..., surface = 0x960d8c0, 
  cairo = 0x9645b08}
#7  0xb731308d in pdf_document_thumbnails_get_thumbnail (document_thumbnails=0x95e2200, 
    rc=0x9620c00, border=0) at ev-poppler.cc:1262
	pixbuf = (GdkPixbuf *) 0x960ba48
	border_pixbuf = <value optimized out>
#8  0xb7fe10f2 in ev_document_thumbnails_get_thumbnail (document=0x95e2200, rc=0x9620c00, border=0)
    at ev-document-thumbnails.c:58
	__PRETTY_FUNCTION__ = "ev_document_thumbnails_get_thumbnail"
#9  0x08048f21 in evince_thumbnail_pngenc_get (document=0x95e2200, 
    thumbnail=0xbf918c28 "/tmp/.gnome_thumbnail.0ZWNJU", size=<value optimized out>)
    at evince-thumbnailer.c:75
	rc = (EvRenderContext *) 0x9620c00
	width = 612
	height = 792
	pixbuf = <value optimized out>
	page = (EvPage *) 0x95e53c0
#10 0x080491a7 in main (argc=) at evince-thumbnailer.c:210
	document = (EvDocument *) 0x95e2200
	input = <value optimized out>
	output = 0xbf918c28 "/tmp/.gnome_thumbnail.0ZWNJU"
	size = 128
	uri = 0x95edc28 "8Ö`\t"
	file = (GFile *) 0x95ebe40"