mozilla/pdf.js — Issue #1176: Garbled PDF 
Author: fractalmode
Created: 2012-02-06 06:00:52+00:00
State: open

One for the error corpus perhaps.

http://dl.fullcirclemagazine.org/issueSC01_en.pdf

Incorrect rendering in 0.2.168 in Firefox 10.0 (font / language code)
Correct in external Adobe Reader