RAR archive associated with a Casper laptop, with the name pointing to a UMA (integrated graphics only) board marked CR-HPB MV-MB V1. The IMG_1060 part suggests a camera photo is included, likely a picture of the board or its labels, though the exact contents are not stated. At 5.40 MB it may hold images or firmware alongside. Open it with WinRAR or 7-Zip and inspect what is inside before use. Compare the V1 revision and board marking against the PCB in hand, since Casper machines are built by different ODMs.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @biosarchive_photos. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.