Using tools like HandBrake can often "fix" files with minor header errors or codec mismatches by converting them into a standard format.
When encountering file names this specific on the open web, users should exercise caution: ss lisa 47 ac grey thong mp4 fixed
The string is composed of several technical and descriptive identifiers commonly used in video indexing: ss / lisa / 47 Using tools like HandBrake can often "fix" files