Because "SNC" is a standard prefix for Sony camera images (followed by a 5-digit sequence), this specific filename appears in various unrelated contexts across the web:
Many people have this file in their personal Google Photos or hard drive backups simply because their camera reached that number in its sequence. How to identify your specific file:
Right-click the file, go to Properties (Windows) or Get Info (Mac), and look at "Details." This will often tell you the exact camera model used and the date the photo was taken.
It appears in file lists for adult-oriented image sets or torrents where the original camera filenames were preserved.
You can upload the photo to Google Lens to see if it has been published online in a specific article or guide.
If you are looking for information about the image you have:
