PDF malware analysis — malicious · 96e51d2f274c4a33

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: 9231999ea5843f5b7dbad373bce85093 SHA-1: dfc2a614cfff2446607bef66bcf5b77ddc7e9e78 SHA-256: 96e51d2f274c4a33a270ec47651ecad39c7ff72b46c1dd8ba1918661252af276

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

This PDF file contains embedded JavaScript with multiple eval() calls, indicating an attempt to obfuscate malicious code. The ClamAV detection 'Pdf.Exploit.Agent-36118' and the 'PDF_EVAL' heuristic firing strongly suggest the exploitation of a PDF vulnerability. The embedded JavaScript, named 'javascript_obj0013_000.js', is the primary artifact likely responsible for the malicious behavior, such as downloading a second-stage payload.

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` `be9bcf2692bc17709a0cbbbac42640f3ac5970978d3e632c3863387dba70a349`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13303 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 9 long base64-like blob(s).

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