If you have the file, checking the "Properties" or "Get Info" section can sometimes reveal the original creator or software used.
There is no public information or "proper review" available for a file named . 0h66fe3y5d7k70x0h8agu_source.mp4
If this is a video you found online or in a private directory, its contents could range from a personal recording to a technical asset for a website. To help identify it, you might consider: If you have the file, checking the "Properties"