PDF malware analysis — malicious · 23f1645862093d51

MALICIOUS

PDF

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

MD5: 6399f425ef5b456b8853364979011f17 SHA-1: d9ebf556776ffab73e655943da2e7d622db5b918 SHA-256: 23f1645862093d51d694388af2e90818feef382c9d37bc2256cbd850b001a96e

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript that utilizes the eval() function, a common technique for obfuscating malicious code. The ClamAV detection 'Pdf.Exploit.Agent-36118' strongly indicates a known exploit. The JavaScript appears to be designed to download and execute a second-stage payload, though the exact URL is heavily obfuscated. The use of eval() and embedded JavaScript points to a malicious PDF designed to exploit vulnerabilities.

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` `5f78b9551b35941863ec3cdde11841fb8afc9f2935cef747744393e41530c109`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13614 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 19 long base64-like blob(s).

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