In short, this is a released by the World4uFree group.
The string is a standardized file naming convention typically used by file-sharing communities to describe a specific digital video file. world4ufree-cfd-tekhi-chutny-p01-hevc720p-mkv
: The file extension for Matroska Multimedia Container, a format that can hold unlimited video, audio, picture, or subtitle tracks in one file. In short, this is a released by the World4uFree group