MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1204.002 Malicious File
T1566.001 Spearphishing Attachment
T1071.001 Web Protocols
This PDF file was flagged as malicious by multiple high-confidence heuristics, including a critical ClamAV detection for 'Pdf.Exploit.Agent-36175'. The presence of embedded JavaScript and the use of ASCIIHexDecode filters strongly suggest an exploit designed to execute arbitrary code. The primary function appears to be downloading and executing a secondary payload, as indicated by the embedded JavaScript.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 5
-
ClamAV: Pdf.Exploit.Agent-36175 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Exploit.Agent-36175
-
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.
-
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEXHex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
-
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_obj0008_000.js469d5a92edb7cdf50b3a119108587362f1fa8614f4a0a3e23bd98b36ecc49663 |
pdf-javascript-stream | PDF /JS object 8 at offset 0x1E7 | 132542 bytes |
|
Detection
ClamAV:
Pdf.Exploit.Agent-36175
Obfuscation or payload:
unlikely
|
|||
Open this report in the interactive analyzer, or submit your own file for analysis.