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https://issues.apache.org/jira/browse/PDFBOX-1754?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14224839#comment-14224839
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Tilman Hausherr commented on PDFBOX-1754:
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I've added your other blog post link in the description so that both can be
found in one place.
> Preflight doesn't detect JavaScript for some PDFs
> --------------------------------------------------
>
> Key: PDFBOX-1754
> URL: https://issues.apache.org/jira/browse/PDFBOX-1754
> Project: PDFBox
> Issue Type: Bug
> Components: Preflight
> Affects Versions: 2.0.0
> Environment: Win 7
> Reporter: Johan van der Knijff
> Priority: Minor
> Labels: javascript
> Fix For: 2.0.0
>
> Attachments: 006654.pdf
>
>
> I just did another round of testing with the Adobe Acrobat Engineering PDFs
> (using revision 1530740 of Preflight). Some of these files contain
> JavaScript, but this is not picked up by Preflight. Three examples:
> http://acroeng.adobe.com/Test_Files/classic_multimedia//Disney-Flash.pdf
> http://acroeng.adobe.com/Test_Files/classic_multimedia//Service%20Form_media.pdf
> http://acroeng.adobe.com/Test_Files/classic_multimedia//Trophy.pdf
> Both Adobe Acrobat's Preflight component and an additional check with a Hex
> editor confirm that these files do actually contain JavaScript.
> PS: great to see the improvements in the latest version of Preflight!
> PPS: the full results for all the files in my test dataset are here, just in
> case anyone finds this useful:
> http://wiki.opf-labs.org/display/TR/Analysis+of+Acrobat+Engineering+PDFs+with+Acrobat+Preflight+and+Apache+Preflight
> Cheers,
> Johan
> Edit from [~tilman], the other useful link to your work is
> http://openpreservation.org/knowledge/blogs/2013/07/25/identification-pdf-preservation-risks-sequel/
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