PDF malware analysis — malicious · ce0532525971f13b

MALICIOUS

PDF

8.6 KB Created: 2010-02-10 08:34:12 Authoring application: EAsrSGGOFbYChTQcOGQ (via XiQtAPyUSbZFcTlibMqG)

MD5: 07229aabd2a969c9dfa13931aa0aac64 SHA-1: 0143b069109e9998172afe502c5a81245a51c436 SHA-256: ce0532525971f13b1c3be6451f127b5839525c0c038ff6281e736f6f8afba601

86 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

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 a known PDF vulnerability. The embedded JavaScript is likely used to download and execute a secondary payload, a common technique for initial access.

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` `26e51e47e8ab38265afabfc9d8221ac267a86ee835d39d385519fcd6ff8ec221`	pdf-javascript-stream	PDF /JS object 7 at offset 0x4DC	6756 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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