PDF malware analysis — malicious · 214c689017a5ea73

MALICIOUS

PDF

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

MD5: faa4e8cc0078785a7a7ada3a7ba99f20 SHA-1: d7ba6090540f537f28286fa7c5e1c80dfb342c80 SHA-256: 214c689017a5ea73aaba102eb974737b09e1e56af929784c8eff553326879126

148 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

The PDF file contains embedded JavaScript with multiple eval() calls, indicating obfuscation and malicious intent. The ML classifier and ClamAV detection strongly suggest this is a malicious PDF exploiting a known vulnerability (Pdf.Exploit.Agent-36118). The JavaScript is heavily obfuscated, but the presence of eval() and the ML/ClamAV detections point to it being used to download and execute a secondary payload.

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` `cc6875c6822e5834b3445c2eb7e1e977c58a492ca0ac99256fa255574b054b56`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13499 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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