MALICIOUS
84
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The ClamAV detection 'Pdf.Exploit.Agent-35903' strongly suggests this is a known exploit. The embedded JavaScript stream, though not fully detailed here, is the likely vector for exploitation. The document body is unreadable, preventing a more specific assessment of the lure, but the presence of exploit code is clear.
Heuristics 4
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ClamAV: Pdf.Exploit.Agent-35903 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Agent-35903
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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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syncAnnotScan annotation-staging primitive low PDF_FOXIT_SYNCANNOTSCANPDF JavaScript calls syncAnnotScan() — a no-op annotation-enumeration primitive used by exploit-kit JavaScript to stage payload reads from annotation /Subject fields before eval(). Not a vulnerable sink itself; rarely seen in legitimate PDFs. (matched in decompressed stream)
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_000_off000001d2.js860eae5f96eb426380281c575a089242b50523bbb4bbb8dd765e582cd9c07d2e |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1D2 | 294 bytes |
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