The source of the file was a streaming service (like Amazon Prime Video).

While the tags say "10-bit," unofficial encodes can sometimes have audio sync issues or corrupted frames.

Refers to the color depth; 10-bit encodes more colors and usually results in better gradients/less "banding" than standard 8-bit files.

A Prime subscription or a standalone Prime Video membership.

Files found on third-party sites (like the one mentioned in your string) often come with risks: