How to Detect JavaScript in a PDF

[RexCelestis]

Is there any way to determine if a PDF contains JavaScript?

This may sound weird, but I want to conclusively prove or disprove this case and I'm wondering if there are any methods beyond what I've tried.

This is what I've tried:

- Looked for any controls on the document. There are none.

- Checked the document actions. None of them contain any code.

- Opened the file in NotePad++. I did not notice anything that would differentiate between a file with JavaScript or without.

- Examined the file using itext-rups-5.5.9. This tool confirmed the file didn't have any fields or controls, but I couldn't figure out where it would tell me about document level stuff.

Anyone have any other ideas? Many thanks.

[Nesa Nurani · Accepted solution]

To check if file has any scripts, you can go to 'Prepare form' tool and click on 'More' and 'All JavaScripts'.

[try67]

This is not totally accurate. If you use a built-in Format option like Date or Number (which relies on JS to work), that will not show up in this window.

[defaultgmqxtvfhu8lp · Accepted solution]

I have had a pdf or two that was blocked by my antivirus for having a script, can you explain what this mean exactly and what the implications are?