Upload the hash (or the file itself, if it doesn't contain sensitive personal data) to VirusTotal to see if it has been previously flagged as malicious or associated with a known threat group. :
When dealing with a zip file of unknown origin, especially one labeled as a "collection," it is critical to follow safe analysis procedures to avoid compromising your system. : Do not extract the file on your primary operating system. Arhoangel_collection_compressed.zip
Module: INTRODUCTION TO MALWARE ANALYSIS Upload the hash (or the file itself, if
: Run a "strings" command to look for readable text within the binary that might indicate its purpose, such as C2 (Command & Control) server URLs or developer notes. Dynamic Analysis : especially one labeled as a "collection