PDF malware analysis — malicious · 59941dc44a7c4fa1

MALICIOUS

PDF

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

MD5: 8cb96a69acde933c9d056bdb9de962f5 SHA-1: 3d6effbcdee42a10554dfab1251eeeda30179fbe SHA-256: 59941dc44a7c4fa1c16f7451db4ffa1dca03e5a9345b55a0400a2e76fb9044f7

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript with multiple obfuscation techniques, including string concatenation and the use of eval(). Heuristics indicate a PDF JavaScript action and an eval() call, strongly suggesting malicious script execution. The ClamAV detection as 'Pdf.Dropper.Agent-1828756' further confirms its malicious nature. The script's primary function appears to be downloading and executing a secondary payload, a common dropper behavior.

Heuristics 5

ClamAV: Pdf.Dropper.Agent-1828756 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-1828756
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` `b6a7238ee4a430de79d4434f2561795660f438f6fa4c94cf3a29ccb8b4db6599`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	9461 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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