PDF malware analysis — malicious · d15c2ac6c17fddb3

MALICIOUS

PDF

14.4 KB Created: 2008-07-26 19:43:58 Authoring application: Scribus 1.3.3.12 (via Scribus PDF Library 1.3.3.12)

MD5: e4ee3d2195c83e264ec23f36862c77aa SHA-1: 8de30558c9d1e31cadb516877f52a5375bfbd0fa SHA-256: d15c2ac6c17fddb3b49999d5cbfb7fbcd5762380242ccbfc7c7050fdda463db7

148 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The sample is a PDF file detected by ClamAV as Pdf.Exploit.Agent-36118. Static analysis revealed embedded JavaScript with an eval() call, indicating code execution. The ML classifier also flagged this PDF as malicious with high confidence. The JavaScript likely attempts to download and execute a secondary payload, a common technique for initial access.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 5

ClamAV: Pdf.Exploit.Agent-36118 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36118
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution
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.
Suspicious extracted artifact info 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0013_000.js` `655eba8db11bc71a5e5c96cbf121f8deb48b3c9cd7e5345e778804d1f7b6cca9`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13189 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 9 long base64-like blob(s).

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