PDF malware analysis — malicious · 1e7b1ddc4ae0b88a

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: 5690cf27eca80a8c4ff25f2146a72096 SHA-1: 7ef456c3b84af6321590383aa9765af15182374f SHA-256: 1e7b1ddc4ae0b88a42ad45d91e5cb9f32fab405df89d511b1c85f866a0627a08

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. Heuristics confirm JavaScript actions and eval() usage, and ClamAV identifies it as Pdf.Exploit.Agent-36118. The script likely downloads and executes a second-stage payload, a common technique for initial access.

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` `f87d9a03c7e2b2ae67f21cbaf198a14c9d2582b16ddacdd9c6f7a72d36199af6`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13204 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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