It's unlikely that there's some identifying information, but you can use ffmpeg (using the "copy" codec to avoid a re-encode) to strip metadata. It's also theoretically possible for the video to have used some stenography techniques, but that would be much harder and expensive for the video creator/publisher so I doubt that happened.

1. Yes, because:
2. It could
3. And if it does, you probably can’t remove it

Streaming sites can embed an unhearable data stream into audio signal. It’s possible

That being said, it’s extremely improbable, given the costs to do it at scale.

If you’re part of a large company’s beta program and have access to some unreleased product, maybe worry.

If you grabbed a file from some mega host updown whatever site, don’t worry.

And if you’re still worried, take a sha256 hash and put it into google search. If you get any results that even mention your file’s title, then you’re good.