MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. The ClamAV detection of 'Win.Trojan.Agent-36100' strongly suggests malicious intent. The embedded JavaScript is likely responsible for the malicious behavior, potentially downloading and executing a second-stage payload, though the exact functionality is obscured by obfuscation.
Heuristics 4
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ClamAV: Win.Trojan.Agent-36100 critical CLAMAV_DETECTIONClamAV detected this file as malware: Win.Trojan.Agent-36100
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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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
javascript_obj0008_000.js17bfb9f181b1904c4cb14882e322c736f8a991e16033586323330d24c3c0f5f2 |
pdf-javascript-stream | PDF /JS object 8 at offset 0x1E7 | 27621 bytes |
|
Detection
ClamAV:
Win.Trojan.Agent-36100
Obfuscation or payload:
unlikely
|
|||
legacy_pdfkit_stage_000.jse3750603a5fd6dd57ee9745ff21c4a5e3416f68ff679c022ee06ff90bd7277b4 |
deobfuscated-js | double percent-decoded annotation JavaScript at offset 0x1E7 | 15189 bytes |
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