PDF malware analysis — malicious · eac48beb82151e04

MALICIOUS

PDF

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

MD5: 9e589c191daf0788fd77004c4ee0c82a SHA-1: 2578f3f8e94db023ac9a46de20835652102b7460 SHA-256: eac48beb82151e0444f616b79e71c727fa05e2f71efa4d81e41a4649319bd599

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The sample is a PDF document that contains embedded JavaScript. Heuristics indicate the presence of JavaScript actions, embedded JS streams, and a critical eval() call, suggesting obfuscated code execution. The ClamAV detection 'Pdf.Exploit.Agent-36118' further confirms its malicious nature. The primary function appears to be the execution of obfuscated JavaScript, likely to download and execute a second-stage payload, as indicated by the eval() calls and the embedded script 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` `704f4c3581ea9464027fc86ae183069fe52e1616f997d2c2ef9047e813bf59a7`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13159 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 7 long base64-like blob(s).

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