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https://issues.apache.org/jira/browse/TIKA-3965?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17683462#comment-17683462
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Tim Allison commented on TIKA-3965:
-----------------------------------
Validation requires parsing. Perhaps run the text extractor and set a small
writelimit? If you get an exception, then there was a problem?
You could also write a simple wrapper around pdftotext or another poppler tool
(pdfinfo?) or other open source parser, but again this would be a full parse.
> Detector for valid PDF files
> ----------------------------
>
> Key: TIKA-3965
> URL: https://issues.apache.org/jira/browse/TIKA-3965
> Project: Tika
> Issue Type: Bug
> Components: tika-core
> Affects Versions: 2.6.0
> Reporter: Julio J. Gomez Diaz
> Priority: Minor
> Attachments: test2.pdf
>
>
> If we use MagicDetector or the detector using the content via DefaultDetector
> it identifies as PDF file an invalid file such as the attached one, with this
> simple content:
>
> {code:java}
> <script>alert(1)</script>
> %PDF-1.7{code}
>
> Is there any alternative detector in Tika that reads the whole file content
> in order to not detected as PDF a non-valid PDF file?
> If there is not, will it make sense to implement it? Which would be the right
> java package location for this?
>
> This sample file is detected as wrong by Adobe Reader and any online PDF
> processor we found online, but Tika identified it as PDF.
>
> Thanks in advance
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