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Thomas Chojecki commented on PDFBOX-1822: ----------------------------------------- You are right.It looks also like a merged document. See the ID. So maybe the application merged a document that contains a classic xref table with a document that contains a xref stream. > Signature byte range is Invalid > ------------------------------- > > Key: PDFBOX-1822 > URL: https://issues.apache.org/jira/browse/PDFBOX-1822 > Project: PDFBox > Issue Type: Bug > Components: Parsing, PDModel, PDModel.AcroForm, Signing > Affects Versions: 1.8.3, 1.8.4, 2.0.0 > Reporter: vakhtang koroghlishvili > Attachments: araxis-merge - compare two document.jpg, > damaged-sig.jpg, unsigned-signed.pdf, unsigned.pdf > > > On person send me a unsigned PDF document. He wanted to sign it. When I try > to sign it (using pad box), I have some problem. > After signing adobe reader tells me "The signature byre range is invalid". > I will attach original and signed document. > I think, it is PDF box parser error. another signature libraries sign > document very well. I'm searching the problem at the moment, in order to fix > it. -- This message was sent by Atlassian JIRA (v6.1.5#6160)