Damien Bories created TIKA-4782:
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             Summary: PDF detected as matlab file
                 Key: TIKA-4782
                 URL: https://issues.apache.org/jira/browse/TIKA-4782
             Project: Tika
          Issue Type: Bug
    Affects Versions: 3.2.3
            Reporter: Damien Bories
         Attachments: tika-sees-pdf-as-matlab.pdf

Hello,

In a few cases within my organisation, we encounter PDF files that get detected 
as matlab files. I attached an example of PDF file that gets detected wrongly 
as matlab.

Tested with Tika 3.2.3

A similar issue was raised a few years ago : TIKA-3328

I checked the corresponding fix [TIKA-3328 -- make PDF detection a bit more 
flexible · apache/tika@3381c73 · 
GitHub|https://github.com/apache/tika/commit/3381c7328875073300fb6fc6b0be850562977d60]
 and if I had to take a guess, I'd say that in my case, the "metadata block" 
starting with %% is longer than the 512 offset.



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