Players of Pokémon GO are familiar with "AR Mapping" tasks at Gyms. It’s possible this is a community-archived scan or a tool designed to help with those specific physical location tasks. Is it Safe?

with a modern antivirus or upload it to a site like VirusTotal to check for malicious payloads.

Small files (a few KB) are usually just text or scripts, while larger files (MBs) likely contain textures, audio, or executable data. Have You Seen This File?