Video files downloaded directly from their servers often use long hexadecimal strings.
Platforms like Shutterstock or Adobe Stock sometimes use unique alphanumeric strings for their source files. 5ebef7aa5b85e0b8090b8_source.mp4
(e.g., a person talking, a nature scene, a specific news event). Video files downloaded directly from their servers often
(e.g., a formal report, a social media caption, or a technical description). a person talking
(e.g., a specific website, a shared folder, or a social media post).
That filename appears to be a specific or internal system ID , likely associated with a video from a social media platform, a news database, or a digital asset management system.