MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The PDF file was flagged by ClamAV as Pdf.Exploit.Agent-36174, indicating a known exploit. Heuristics confirm the presence of embedded JavaScript, which is a common method for exploiting PDF vulnerabilities to download and execute further malicious content. The ML classifier also strongly indicated maliciousness. No specific family could be identified, but the attack pattern is consistent with a PDF-based exploit delivery.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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ClamAV: Pdf.Exploit.Agent-36174 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Agent-36174
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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.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
javascript_obj0015_000.jsd2679f3f15d6e025ee8c17fa18b94c5a0f309ff0925fe97138da94e5b5bbdf34 |
pdf-javascript-stream | PDF /JS object 15 at offset 0x1281 | 1504 bytes |
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Detection
ClamAV:
Pdf.Exploit.Agent-36174
Obfuscation or payload:
unlikely
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