PDF malware analysis — malicious · e65db32ecd245141

MALICIOUS

PDF

12.6 KB

MD5: b6f091a50023d01476a19dc5170391e3 SHA-1: 812f5a202e4e79ff0987811c32998a1a18b84e72 SHA-256: e65db32ecd24514104c641c9b89a571aad3b4089d234d388543d54d372cd1c54

166 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file was flagged as malicious by multiple engines, including ClamAV which identified it as Pdf.Exploit.Agent-36365. It contains embedded JavaScript, indicating an attempt to exploit vulnerabilities within the PDF reader to execute arbitrary code. The ML classifier also strongly indicated maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36365 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36365
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV 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_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF 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_obj0076_000.js` `3877834fa6ec47a3f3e090fb36f9de9c60ae39e2c4b8678dc281ad776872ab00`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11810 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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