If you are analyzing this file for a challenge or security research:
If you are writing your own report for this file, a standard format includes: Name, size, and SHA-256 hash.
Providing more context will help in tracking down the specific origin.
Always open unknown .zip files within a Virtual Machine (VM) or a "sandbox" environment to prevent any potential scripts or executables from affecting your host system.
Results from tools like file (to confirm it is actually a ZIP) and strings .
Use exiftool or binwalk on the file to see if there is hidden data or if it is a "nested" file (a file within a file). Common Write-up Structures
The steps taken to find the "flag" or the hidden payload.