The filename is a generic name automatically assigned by many digital cameras and smartphones (such as iPhones). Because it follows a standard sequential numbering pattern, there are many different videos with this exact name across the internet.
Depending on the context you are looking for, "IMG_1781.MP4" refers to several unrelated pieces of content: Recent Online Media IMG_1781.MP4
This filename has also appeared as evidence in legal filings, specifically in a federal criminal case involving illicit content . The filename is a generic name automatically assigned