PDF malware analysis — malicious · 247532cd6b784a04

MALICIOUS

PDF

9.2 KB Created: 2009-04-02 18:23:35 Authoring application: jVhCKqLiTAmfwXtza (via AeAdfLIuvtnf)

MD5: 7dc81e8124dfe143d213a8f2318e3a40 SHA-1: c592c6ccecc7c14ce32f3deeabacef70248b4f99 SHA-256: 247532cd6b784a04671dae8d4f4703dd19857d08407d3036cb6b50cf42a5b330

86 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The ClamAV detection of 'Pdf.Exploit.Agent-35572' strongly suggests a known exploit. The embedded JavaScript, though obfuscated, is the likely vector for the exploit, aiming to download and execute a second-stage payload.

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` `3237c14deec241e9376ae261036f9c34f803473bd9a21cc9278386c35602541d`	pdf-javascript-stream	PDF /JS object 7 at offset 0x407	7610 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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