MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV with the signature Win.Trojan.Agent-36166. Static analysis detected embedded JavaScript, which is a common technique for delivering second-stage malware. The ML classifier also strongly indicated maliciousness. The embedded JavaScript is likely responsible for downloading and executing a malicious payload, contributing to the overall malicious nature of the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 4
-
ClamAV: Win.Trojan.Agent-36166 critical CLAMAV_DETECTIONClamAV detected this file as malware: Win.Trojan.Agent-36166
-
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.
-
JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
-
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.js12e242995085a3e22c315b20f52a28910f2ca919d5c9c284651249192f642f8b |
pdf-javascript-stream | PDF /JS object 7 at offset 0x1A5 | 74549 bytes |
|
Detection
ClamAV:
Win.Trojan.Agent-36166
Obfuscation or payload:
unlikely
|
|||
Open this report in the interactive analyzer, or submit your own file for analysis.