[jira] [Created] (TIKA-3332) Embedded files not extracted from PDF files with multilevel EmbeddedFiles tree

["Ross Johnson (Jira)" <ji...@apache.org>]

Ross Johnson created TIKA-3332:
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             Summary: Embedded files not extracted from PDF files with multilevel EmbeddedFiles tree
                 Key: TIKA-3332
                 URL: https://issues.apache.org/jira/browse/TIKA-3332
             Project: Tika
          Issue Type: Bug
    Affects Versions: 1.25
            Reporter: Ross Johnson
         Attachments: image-2021-03-20-13-36-48-525.png

I have come across some portfolio PDFs that have many attachments / embedded files, but Tika is not detecting or extracting them as it does with some other portfolio PDFs. The issue may be that these files have a multilevel EmbeddedFiles name tree that is not being handled properly by PDFBox.


Here is the EmbeddedFiles structure of one of the PDF portfolios in question. Notice that the root EmbeddedFiles dictionary has a Kids array that only consists of intermediate dictionaries, with the actual Names array being one more level down.

!image-2021-03-20-13-36-48-525.png!



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