PDF malware analysis — malicious · 463350c13ec60c45

MALICIOUS

PDF

9.4 KB Created: 2010-02-21 20:05:33 Authoring application: NSpwHwGoOVWDfmZjN (via crHbtxJgxRNden)

MD5: 84ab13c6f3d3dcee92d40155bbe76953 SHA-1: 658c950c91918637facc0d300df479734ee3286d SHA-256: 463350c13ec60c45141006cbcbe24513d06b078439d36882d573eefafc50460a

86 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The CLAMAV_DETECTION heuristic identifies the file as 'Pdf.Exploit.Agent-35572', suggesting it exploits known PDF vulnerabilities. The embedded JavaScript is likely responsible for executing the exploit, potentially leading to further malicious activity.

Heuristics 5

ClamAV: Pdf.Exploit.Agent-35572 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35572
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.
String.fromCharCode low PDF_FROMCHARCODE

String.fromCharCode found — used to construct payload strings dynamically. Common in benign JavaScript libraries for codepoint manipulation, so this alone is informational; weaponised use is also caught by the dedicated fromCharCode-stage and exploit-shape 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_obj0007_000.js` `b9dcd634ccd99b192c88da75c1a712c2f7d8e8d7c462f780944d9fbcfa3d1bc6`	pdf-javascript-stream	PDF /JS object 7 at offset 0x298	8216 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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