Didier Stevens

Monday 27 October 2014

Update: PDFiD With Plugins Part 2

Filed under: My Software,PDF,Update — Didier Stevens @ 8:40

The second feature in this new version of PDFiD is selection. With this, you can select PDFs using criteria you provide.

Example:

pdfid.py -S “pdf.javascript.count > 0” *.pdf

This command will select all files with extension .pdf in the current directory that are PDFs and have a /JavaScript count larger than zero. The selection expression you provide is a Python expression. Here is a list off attributes to use in your selection expressions:

pdf.version
pdf.filename
pdf.errorOccured
pdf.errorMessage
pdf.isPDF
pdf.header

pdf.keywords[keywordname].count
pdf.keywords[keywordname].hexcode

pdf.keywords['/AA'].count
pdf.keywords['/Root'].count # if option -a and if /Root present in PDF

pdf.obj.count
pdf.obj.hexcode
pdf.endobj.count
pdf.endobj.hexcode
pdf.stream.count
pdf.stream.hexcode
pdf.endstream.count
pdf.endstream.hexcode
pdf.xref.count
pdf.xref.hexcode
pdf.trailer.count
pdf.trailer.hexcode
pdf.startxref.count
pdf.startxref.hexcode
pdf.page.count
pdf.page.hexcode
pdf.encrypt.count
pdf.encrypt.hexcode
pdf.objstm.count
pdf.objstm.hexcode
pdf.js.count
pdf.js.hexcode
pdf.javascript.count
pdf.javascript.hexcode
pdf.aa.count
pdf.aa.hexcode
pdf.openaction.count
pdf.openaction.hexcode
pdf.acroform.count
pdf.acroform.hexcode
pdf.jbig2decode.count
pdf.jbig2decode.hexcode
pdf.richmedia.count
pdf.richmedia.hexcode
pdf.launch.count
pdf.launch.hexcode
pdf.embeddedfile.count
pdf.embeddedfile.hexcode
pdf.xfa.count
pdf.xfa.hexcode
pdf.colors_gt_2_24.count
pdf.colors_gt_2_24.hexcode

Be careful if you are going to use this in an automated scenario where you don’t control the selection expression. This expression is evaluated in Python with the eval function, and there is no input validation.

 

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