The file might be a disc image (.iso) renamed to .mp3. Inside could be anything from video clips to malware.

If you already have the file, do not open it in a media player (some exploits target audio metadata). Instead:

Sometimes P2P users incorrectly name a folder containing Zara Larsson’s entire catalog (or multiple albums) as a single track. Her discography (2015–2020) in lossless format could approach 700–800 MB. The file name might be a copy-paste error from a torrent description.