French (frequently searched with "mtrjm" for Arabic subtitles). 百度百科 Key Cast and Crew
The strongest possibility is that is a 5-15 minute experimental short, created by an artist or collective using the handle MTRJM. Characteristics of such a film would include: fylm Curiosa 2019 mtrjm
This five-letter sequence is likely an acronym or a handle. The most plausible interpretations include: fylm Curiosa 2019 mtrjm