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Exchange Defend: PDF
Exchange Defend: PDF (xdpdf) is designed to quickly and transparently render inert potentially malicious parts of a PDF document traversing a Microsoft Exchange server. Whenever xdpdf changes a PDF document it will advise the recipient of the email and keep a copy for administrative review if necessary.
The main goal of the project is to remove from the user the burden of making security decisions based upon the (usually incomplete) information available in an email. By removing potentially malicious behaviours from the PDFs users are protected from all malicious PDFs, which constitute the majority of malicious emails currently seen 'in the wild'.
See also: Design Philosophy
xdpdf works in the following way: 1. It detects a PDF 1. It scans the PDF for potentially undesirable keywords 1. If a keyword is matched, xdpdf will: 1. copy the PD
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