Some older email gateways and antivirus tools skip scanning very large files to save processing power.
The subject line you provided——is a classic red flag for a phishing attack or malware delivery . Since 156 MB is an unusually large size for a standard document (like an invoice or a PDF), it is often used by attackers to bypass simple antivirus scanners or to hide complex malicious code. download/view now ( 156.07 MB )
Most malicious documents (macros) are tiny. However, "bloating" a file to over 100 MB is a known technique called . Some older email gateways and antivirus tools skip
If you think it might be real, contact the supposed sender via a fresh email or phone call—never reply to the suspicious message. 4. What to do if you already clicked download/view now ( 156.07 MB )