MALICIOUS
138
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The file is identified as malicious by ClamAV with multiple signatures indicating a PDF exploit. Heuristics confirm the presence of embedded JavaScript within the PDF structure. The embedded JavaScript stream is the primary mechanism for exploitation, likely downloading and executing a second-stage payload. The exact nature of the payload is not discernible from the provided evidence.
Heuristics 5
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ClamAV: Pdf.Exploit.Agent-36114 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Agent-36114
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ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAVClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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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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Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGEOne or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
javascript_obj0008_000.js4664ec5cd8249c76b5a9c6176ac71a2af3d144b4e42cdf9062bd6b593387a7a9 |
pdf-javascript-stream | PDF /JS object 8 at offset 0x1E7 | 2687 bytes |
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Detection
ClamAV:
Pdf.Exploit.Agent-36307
Obfuscation or payload:
likely
Carved artifact contains 1 long base64-like blob(s).
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