PDF malware analysis — malicious · 3ab5bd3a523805fd

MALICIOUS

PDF

16.0 KB

MD5: cfa3398f52ecd0b4e75a50a2c2c224dc SHA-1: 136418452e056e4813c80488e765c92be7dee795 SHA-256: 3ab5bd3a523805fd37b496e72d48c03a2fe933e0d2c9806c05471b0c2a1a12b7

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 engines, including ClamAV which specifically flagged it as 'Pdf.Exploit.Agent-36324'. The presence of embedded JavaScript, indicated by heuristic firings, suggests an attempt to execute malicious code upon opening the PDF, likely to exploit a vulnerability or download a secondary payload. The ML classifier's high confidence score further supports the malicious nature of the file.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36324 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36324
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` `96ab95bf86e9d3173dbd069fab22f980af4bf730bf24c8dcab3892fd883c4242`	pdf-javascript-stream	PDF /JS object 76 at offset 0x2D4	15465 bytes

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