This specific filename, , appears to be associated with a viral video or a piece of internet "creepypasta" / ARG (Alternate Reality Game) content.
The "MarcelaRTXHQ.mp4" Mystery: Why is Everyone Talking About This Clip? MarcelaRTXHQ.mp4
Viewers report that if you pause the video, Marcela’s eyes appear to track the cursor of your mouse. This specific filename, , appears to be associated