PDF malware analysis — malicious · 2f20ff97a01e8eed

MALICIOUS

PDF

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

MD5: 8fca55abd7fa5b13718397445020bdca SHA-1: 8e48073227c60c91b69c5b8a64fd083e913f2900 SHA-256: 2f20ff97a01e8eed382c03eedc197cc9ee77105b0e53f798c7e9b174d6a605a7

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1059.007 JavaScript

This PDF file contains embedded JavaScript that utilizes eval() to execute obfuscated code. The ClamAV detection 'Pdf.Exploit.Agent-36118' strongly indicates malicious intent. The JavaScript appears to be designed to download and execute a second-stage payload, though the exact URL or payload is not directly discernible from the provided snippets due to heavy obfuscation. The use of eval() and JavaScript within a PDF is a common technique for exploiting vulnerabilities and delivering further malware.

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` `cf52fbd0b714916f813e8e46d0d82ff9cfd8150906f6f1fbecd9cb07b8ba90d4`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13326 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 15 long base64-like blob(s).

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