Try the pdf in the URL. The progressbar shows up, but the file never loads properly. It opens fine in Chrome.
Confirmed on Mac: [16:23:23.367] Error: Invalid floating point number: NaN @ blob:42ab1921-2c2e-0a4a-bcd1-34cba3d32408:657
WFM with latest Nightly on Mac 10.7.5, Win 7 x64 and Ubuntu 12.10 x64. Reporter or Artur, do you still see the issue?
Loads for me with latest Nightly on Windows 7.
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