PDF malware analysis — malicious · 449287e4b980345a

MALICIOUS

PDF

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

MD5: b3b825a1325b681d91fb4bfff74454c6 SHA-1: 3df15dac6d41f2edb8e59722355656db6a187ce5 SHA-256: 449287e4b980345a0ad63b7f780d93adbf47a377b29615f7d0f800be5cb9d006

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript with an eval() call, a common technique for obfuscating malicious code. The ClamAV detection 'Pdf.Exploit.Agent-36118' strongly suggests exploitation of a known PDF vulnerability. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, as indicated by the heuristic firings and the nature of PDF exploits.

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` `207cabc12f731ef0a7b7a0b4c80bb8540001ecffe49bbf1bbb9c8adeee353e9f`	pdf-javascript-stream	PDF /JS object 13 at offset 0x336	13555 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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