PDF malware analysis — malicious · 9dca7fdbbf8a782f

MALICIOUS

PDF

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

MD5: 7526b8347174d6876f4c8a9537df2b49 SHA-1: c979f7fb637f982bc0afb865b32b1a9a72f3bf86 SHA-256: 9dca7fdbbf8a782ff0c5b28380097ebb7607a4823a690784440c24ab940319f1

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript with multiple obfuscation techniques, including string concatenation and eval() calls, as indicated by the PDF_JAVASCRIPT, PDF_JS, and PDF_EVAL heuristics. The ClamAV detection of 'Pdf.Exploit.Agent-36118' strongly suggests a known exploit. The JavaScript is designed to execute arbitrary code, likely downloading and running a secondary payload, which is a common attack pattern for PDF-based 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` `3d7ba271321d448e7f2c831187b7f7146770188d0fe7e1794a96902fa24af94f`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13429 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 17 long base64-like blob(s).

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