PDF malware analysis — malicious · 233c7d14d1e29ff2

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: ae01548560f8234e34b5d5d49398b057 SHA-1: 3123784e331d747da2d581025cd929ca8aa33433 SHA-256: 233c7d14d1e29ff2865884c605d8abda0d0b57b9ed2fd04469214a4c980283ca

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 dynamic code execution. The ClamAV detection '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 technique for initial access and further infection. The heuristics confirm the presence of JavaScript actions and eval() calls within the PDF.

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` `aad7a86ef9cc163bda0df76997568aee3322b04ce3ead5636d2fb3c13521f6c6`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13361 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 5 long base64-like blob(s).

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