PDF malware analysis — malicious · 2bb49b602eb7e97f

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: 3bc088861bd838bcf40dd1a055c9b6dc SHA-1: 9185638a3b68038031af0b3963f0baa05e2db6ea SHA-256: 2bb49b602eb7e97f3795b4227e60812ad5fb1bdcf20a7250f2ef5c7d7d7ae87a

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript with multiple obfuscation layers, including the use of eval() and string concatenation. Heuristics indicate a JavaScript action and an eval() call, strongly suggesting the execution of malicious code. The ClamAV detection of 'Pdf.Exploit.Agent-36118' further confirms its malicious nature. The script's intent is to download and execute a second-stage payload, as indicated by the eval() calls and the embedded JavaScript stream.

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` `e7227d829119ca5a8af03b1270a24c25470907d6443d97129344a64bf5295f8f`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13277 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 4 long base64-like blob(s).

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