: Using phrases like "NEVER SEEN BEFORE" is a psychological trick to pique curiosity and bypass your natural caution.
Can PDFs contain viruses? What to do if you've opened a PDF scam
Cybersecurity experts from platforms like Norton and Kaspersky warn that PDF files can contain embedded viruses, ransomware, or links to fraudulent websites. Common Characteristics of This Scam
: The file usually arrives via unsolicited email or SMS from an unrecognized address or number.