MALICIOUS
106
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1203 Exploitation for Client Execution
T1566.001 Spearphishing Attachment
The PDF file contains embedded JavaScript, flagged by multiple heuristics as malicious and obfuscated. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, a common technique for initial execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 3
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ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTIONClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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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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