MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
The file was detected as malicious by multiple engines, including ClamAV which identified it as Win.Trojan.Agent-36166. Heuristics indicate the presence of embedded JavaScript, which is commonly used in malicious PDFs to download and execute further payloads. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 4
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ClamAV: Win.Trojan.Agent-36166 critical CLAMAV_DETECTIONClamAV detected this file as malware: Win.Trojan.Agent-36166
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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.js253769b9c238fa962dc7cf0eb6ca238daa3be53ed043734ba50eb7f00b5c0309 |
pdf-javascript-stream | PDF /JS object 7 at offset 0x1A5 | 84234 bytes |
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Detection
ClamAV:
Win.Trojan.Agent-36166
Obfuscation or payload:
unlikely
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