MALICIOUS
84
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 JavaScript/JScript
T1204.002 Malicious File
The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. The ClamAV detection 'Pdf.Exploit.Agent-36063' strongly suggests this is a malicious PDF exploiting a known vulnerability. The embedded JavaScript is likely responsible for downloading and executing a secondary payload, which is a common attack pattern for such documents. No specific family could be identified.
Heuristics 4
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ClamAV: Pdf.Exploit.Agent-36063 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Agent-36063
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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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_000_off000001d2.jseb39e2de4dbbc100de6d3e30aa43ff78fa075618862ba1ebba5151ea3a3b848d |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1D2 | 273 bytes |
deobfuscated.jsad1e4c9a1f9e36ee8e025528a9fc0ec23eee57c6daf1e112567877ed30fab3e9 |
deobfuscated-js | PDF JavaScript deobfuscation pass | 6430 bytes |
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