PDF malware analysis — malicious · fb6fbf6431a3c20c

MALICIOUS

PDF

12.6 KB

MD5: 0750c7e159ff8ca8a5f5d033325b4ddd SHA-1: c45c1ab9f89ea77290e8f2fb2f51ade22734cab4 SHA-256: fb6fbf6431a3c20c7c48177829f5604347b993752117e51d4cdac9bd44f32930

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is a PDF identified as malicious by multiple heuristics and a machine learning classifier, with a critical ClamAV detection of Win.Trojan.Agent-36281. It contains embedded JavaScript, indicating an attempt to exploit vulnerabilities or execute malicious code upon opening. The presence of JavaScript suggests the PDF is designed to download and execute a second-stage 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` `7f5b0ec9c8e3b3410e0742997e108c421cc8bc9b8d7b88a040c3161ece4bbe41`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11822 bytes

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