If you must analyze the file for research purposes, only do so in a secure, isolated environment like Any.Run or VirusTotal , which allows you to upload the file or URL to see its behavior without infecting your machine.
Compressed .zip files are a common container for malicious executables ( .exe , .scr , or .vbs ) disguised as video files. Once extracted and opened, they can install Remote Access Trojans (RATs) or Spyware , allowing an attacker to monitor your webcam, record keystrokes, and access private documents. Download File Paki Couple VidCalls.zip
The source providing this download often requires users to "verify" their identity or sign in via social media/email. This is a tactic to harvest login credentials. Sites hosting such files are often flagged by security services like Google Safe Browsing or Norton Safe Web for hosting deceptive content. If you must analyze the file for research