> I'm sure there are zip-bomb equivalents in binary formats like .xlsx, PDF, .docx, etc. Yes. Both, docx and xlsx are literally just a zip of XML files with a

> I'm sure there are zip-bomb equivalents in binary formats like .xlsx, PDF, .docx, etc. Yes. Both, docx and xlsx are literally just a zip of XML files with a different extension. PDF can contain zlib streams, which use deflate compression just as gzip, so all the mentioned methods apply to all three formats.