If you weren't expecting a file, don't touch it.
There is no "set" of photos in that file—only a high risk of compromising your personal data and privacy.
The subject line TAMIL RADHA AUNTY HOT _Y 7VID PICS FULL SETzip is designed to exploit human curiosity and specific search trends to bypass a user's security instincts. Here is why this is a major red flag:
Programs that record everything you type, including bank passwords.
This subject line is a classic example of a often found in phishing emails or malicious forum posts. The "Anatomy" of a Digital Trap
It uses sensationalized or explicit keywords to create an emotional "click-trigger."