This specific subject line and request format are characteristic of . The use of random alphanumeric strings (like "BjqAZj5LQwe") is a common tactic used by cybercriminals to bypass spam filters that look for repetitive patterns.

If you were not expecting a file from the sender, it is a significant red flag. Recommended Actions 5 Common E-mail Scams | Washington State

If you received an email with this subject, it is highly recommended that you the file. Why this is suspicious

Legitimate organizations do not use incomprehensible strings of characters in their communications.