PDF malware analysis — malicious · bed0b87f1c97c821

MALICIOUS

PDF

12.6 KB

MD5: a937522a36037c90f6405f411a797368 SHA-1: 13b0b660684ace7de63f122caa6c7d058c6d72f4 SHA-256: bed0b87f1c97c8215149d538fe7e98d6089e402ae079ee855fba0bed1b87b0a6

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 Command and Scripting Interpreter: PowerShell T1204.002 Malicious Link: Malicious File

The PDF file was flagged by a machine learning classifier with high confidence and detected by ClamAV as Win.Trojan.Agent-36281. It contains embedded JavaScript, indicating an attempt to execute malicious code upon opening. The primary attack vector appears to be the exploitation of PDF vulnerabilities to deliver a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Win.Trojan.Agent-36281 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Win.Trojan.Agent-36281
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` `5c0bd7ac728e34fa0b9c9ef28337ab75c29e7394d6b904cc51621bb13651a77c`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11841 bytes

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