If you are referring to a specific video you encountered on a platform like TikTok or YouTube, it may be an used in "lost media" or "creepy video" threads, but it has not reached the status of a documented urban legend or major feature.

This is "46548.mp4" by LEIBISH on Vimeo, the home for high quality videos and the people who love them. 60855.mp4 on Vimeo

Could you provide about where you saw this, such as the platform or the content of the video? 46548.mp4 on Vimeo

The term appears to refer to a specific video file from the luxury jeweler Leibish & Co. , which hosted a 35-second clip under the filename on Vimeo . It is likely a technical product showcase for a specific diamond or piece of jewelry rather than a narrative "feature" film or a known internet phenomenon.

There is no widely recognized "long feature" or viral topic specifically named .