: If you are curious, you can upload the file (without opening it) to a service like VirusTotal which checks the file against 70+ antivirus engines.
: Compressed files are a classic way to hide executables (.exe) or malicious scripts (.vbs, .js) that install ransomware or spyware once you open them.
This query is somewhat ambiguous as it likely refers to a commonly seen in Slovakia, but it could also be a request to investigate a specific file link .