.003 means this is the third piece of a larger file.
If you are writing a blog post about this file or the phenomenon of split archives, Russian_Ukrainians_Boys.7z.003
This file name, , appears to be a specific part of a split compressed archive (likely a .7z or 7-Zip file). While the exact origin of this specific file isn't tied to a single mainstream news event, files named this way are often found in file-sharing communities, archives of specific digital media, or data leaks. Given the name, this file likely pertains to
Given the name, this file likely pertains to media, documents, or data related to the ongoing conflict or cultural intersections between Russia and Ukraine. Many digital archivists and "OSINT" (Open Source Intelligence) researchers compile massive datasets of: Social media footage or combat documentation. Humanitarian data or lists. Propaganda analysis materials. Propaganda analysis materials
After extracting, be very wary of files ending in .exe , .scr , or .vbs hidden inside the archive.
Use a checksum (like MD5 or SHA-256) if the source provided one, to ensure the file hasn't been tampered with.
.7z is a high-compression format created by 7-Zip.