Since I can't see the specific content of that file without you uploading or describing it, I can only guess what it might be based on how those alphanumeric strings are typically used. What this file name likely is:
This string is a UUID (Universally Unique Identifier). 8681C4AD-EDFA-46BD-90F6-AE0F8029992F.jpeg
It’s a way for a computer to ensure no two files have the same name. Since I can't see the specific content of