PDF malware analysis — malicious · 22634a07ab3140c2

MALICIOUS

PDF

12.4 KB

MD5: c2a7c4d81b2def887682c7366a2de63d SHA-1: baeb3c94e5679182c1a203d97ed6517761fa1a5a SHA-256: 22634a07ab3140c2262312cb3bdfc28564d824f7f504a2e3234b1ebf563893f0

166 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, identified by multiple heuristics and ClamAV detections. The ML classifier strongly indicates maliciousness. The embedded JavaScript is likely responsible for executing the exploit, leading to the malicious verdict.

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` `c65e3e4cf04333e25c75311fbc383d55fdab5a892023303e4ae3fa9731d7777c`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11616 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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