The file appears to be a uniquely hashed filename, likely generated by an automated content management system or a CDN (Content Delivery Network). Because the filename consists of a specific alphanumeric hash, the "content" of the video is not publicly documented in general databases or search results. Likely Sources

Filenames with this specific naming convention (a long hex string followed by _source ) are common in the following platforms:

If you found this filename in a website's source code, it is likely a background video or a hero section element for that specific site.