PDF malware analysis — malicious · 7cdeff8f20fbcabf

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: a30d1423b4e7d8b9e568468305a5cc15 SHA-1: 9979001a7fbe7a29e9c59edab39cc62aeef71687 SHA-256: 7cdeff8f20fbcabfa123fb2f098857f31725ecf75722cf91500582a3b744ff73

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 obfuscated code execution. The ClamAV detection 'Pdf.Exploit.Agent-36118' strongly suggests a known PDF exploit. The heuristics indicate JavaScript actions and embedded JS streams, with a critical finding for eval() usage. The script's obfuscated nature and the presence of eval() suggest it's designed to download and execute a secondary payload, a common technique for malware delivery.

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` `d4daca0401acddaa173213bbbb06e9489b19bcdf34b13c9b771bae2a4caa5c76`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13234 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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