MALICIOUS
114
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.002 Spearphishing Attachment
The PDF contains embedded JavaScript, which is flagged as malicious and correlated with other PDF-specific malicious signals. The ML classifier also strongly indicates maliciousness. While the document body presents itself as a PGP sales confirmation, the presence of obfuscated JavaScript suggests an attempt to download and execute a second-stage payload. The benign reputation of the extracted URLs does not negate the strong heuristic indicators of malicious JavaScript.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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Correlated malicious PDF JavaScript signals critical PDF_CORRELATED_MALICIOUS_JSPDF JavaScript or auto-action content is corroborated by exploit staging, ML, or suspicious extracted-artifact findings. This correlation promotes old exploit-kit PDFs that otherwise remain in the suspicious band because each individual signal is intentionally weighted conservatively.
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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://customers.pgp.com/download/lookup?oid=1248198-0f2b1e4cb5db36f055803cb40f5735fe
- https://support.pgp.com
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