PDF malware analysis — malicious · 537ceefb75578d6b

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: d1c4886b8583eee96cd8c65e2c379bda SHA-1: 7e70a4c7bd4fc845757e4ab7e29c32fd7d284f5c SHA-256: 537ceefb75578d6b6405dab115e2ab5773e0985f4bbffa5ecf69f3f3c60a5af5

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript with multiple eval() calls, indicating obfuscation and likely malicious intent. The ClamAV detection 'Pdf.Exploit.Agent-36118' strongly suggests exploitation of a known PDF vulnerability. The JavaScript is heavily obfuscated, but the presence of eval() and string concatenation points to dynamic code execution, typical for downloading and running further malicious content.

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` `0bf23d4142ceac538a1532536648a909f674f9c41246f4c718a701ed297f10a4`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13571 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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