MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The PDF was flagged by multiple heuristics, including a critical ClamAV detection identifying it as Pdf.Dropper.Agent-7236276-0. Additionally, ClamAV detected a malicious artifact extracted from the PDF as Win.Trojan.Agent-36166. The presence of embedded JavaScript and ML classification further support its malicious nature, indicating it likely acts as a dropper for further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 4
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ClamAV: Pdf.Dropper.Agent-7236276-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Dropper.Agent-7236276-0
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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_obj0007_000.js1dbe638dadc33a68403b79a55a4558abdeb503c2cdc0bd494561e4c54e7f2a55 |
pdf-javascript-stream | PDF /JS object 7 at offset 0x1A5 | 83593 bytes |
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Detection
ClamAV:
Win.Trojan.Agent-36166
Obfuscation or payload:
unlikely
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