PDF malware analysis — malicious · a0c80e26a7b8aef1

MALICIOUS

PDF

2.7 KB Created: 4619-01-01 Authoring application: 5509

MD5: dfc7fcd11f3e2af9205cecbe5b8bde93 SHA-1: 69b43cc588c3214d3876f6d989cb41e4b0c31bc5 SHA-256: a0c80e26a7b8aef1a5d959b57bf7d9ed49b75c040cae9dfefc8619c9ef432919

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by ML classifiers and ClamAV, specifically identified as Pdf.Exploit.Agent-36014. Static analysis revealed embedded JavaScript, indicated by PDF_JAVASCRIPT and PDF_JS heuristics. The ML classifier's high confidence score and the presence of obfuscated JavaScript in the extracted artifact 'javascript_obj0013_001.js' suggest it's designed to exploit vulnerabilities. The primary attack pattern involves delivering and executing an exploit via JavaScript embedded within the PDF.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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_obj0013_001.js` `8949afc899d5cc892062d7215ee595603dbb6ea78d4c13085b0506bfd6fef0c3`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4794 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).

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