This indicates a high-compression archive created with 7-Zip . It suggests the contents are numerous or high-resolution, requiring significant compression to make the file portable.
Because the name implies "f***ed up" content, the images may be graphic, illegal, or highly disturbing. Summary of the "Solid Piece"
The string "AFUKTUNPICS" is a common type of "leetspeak" or internet slang abbreviation used on file-sharing platforms (like 4chan, Reddit, or Discord) to describe a large, miscellaneous collection of images.
Compressed archives with slang names are frequently used as "trojan horses" to distribute malware, keyloggers, or ransomware.