MALICIOUS
66
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF sample contains embedded JavaScript and uses ASCIIHexDecode filters, indicating an attempt to exploit a vulnerability. The ML classifier strongly suggests malicious intent. The embedded JavaScript is likely designed to execute a malicious payload, contributing to the overall attack.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEXHex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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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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