PDF malware analysis — malicious · daeddbc2071e1332

MALICIOUS

PDF

14.7 KB Created: 2009-05-13 13:59:46 Authoring application: MtpYSTrlQYMQZeybb (via uCyUrTOkWLatNAelRvkdVcInv)

MD5: 6c6aa35232c75cde42e1bcb6d78722f7 SHA-1: 0465b55910f7014b6af993411c4c1987bd129ff7 SHA-256: daeddbc2071e13321b77146ae131eaed8a8059248721d71580788f6347317a9e

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 and the presence of a javascript_obj0007_000.js artifact. The ClamAV detection 'Pdf.Exploit.Agent-35572' strongly suggests a known exploit is present. The JavaScript is likely designed 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` `f113dbe12d1272f8ca3d23e8c958d9d4e9bb1eb8e95688dc6548b07adc8c9f48`	pdf-javascript-stream	PDF /JS object 7 at offset 0x51E	12952 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s). Carved artifact contains 29 long base64-like blob(s).

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