Why does Safari crash when our users try to open a Document Cloud PDF?
When we try to open a pdf that was saved in the Adobe document cloud using Safari, it starts to open, the document's first page is displayed for about 3/4 of a second, and then it goes blank and we get this error:

If I click on Report, it gives this clue, but I'm not a unix geek, so any guidance would be helpful:
Crashed Thread: 12 WebCore: Worker
Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000
Exception Note: EXC_CORPSE_NOTIFY
Termination Signal: Trace/BPT trap: 5
Termination Reason: Namespace SIGNAL, Code 0x5
Terminating Process: exc handler [4812]
