Didier Stevens

Tuesday 9 June 2009

Quickpost: Make Your Own Corrupted PDFs For Free

Filed under: Entertainment,Nonsense,PDF,Quickpost — Didier Stevens @ 14:37

In response to Bruce Schneier’s latest post, let me explain how you can corrupt your own PDF documents for free. Open your PDF document with a binary editor, search for references to the root object (/Root), and overwrite the reference (36 in my example) with a non-existing reference, like 00.


Of course, be careful and make backups first.

Tested on several PDF readers:




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