Shadow Attacks: Hiding and Replacing Content in Signed PDFs. - Christian Mainka; Vladislav Mladenov; Simon Rohlmann (NDSS, 2021)

Breaking the Specification: PDF Certification. - Simon Rohlmann; Vladislav Mladenov; Christian Mainka; Jörg Schwenk (SP, 2021)

Oops... Code Execution and Content Spoofing: The First Comprehensive Analysis of OpenDocument Signatures. - Simon Rohlmann; Christian Mainka; Vladislav Mladenov; Jörg Schwenk (USENIX Security Symposium, 2022)

Every Signature is Broken: On the Insecurity of Microsoft Office's OOXML Signatures. - Simon Rohlmann; Vladislav Mladenov; Christian Mainka; Daniel Hirschberger; Jörg Schwenk (USENIX Security Symposium, 2023)

On the security of signatures in digital documents. - Simon Rohlmann (2023)