PDF malware analysis — malicious · c5d5ea36ecc03555

MALICIOUS

PDF

12.5 KB Created: 2009-10-30 01:13:52 Authoring application: dpEZRJTpDfAlRptfaXCAWHfR (via dHrFuQngqJAHSSpk)

MD5: 3bb983ee5d91cf3e1a76641082153f84 SHA-1: aaca1215247b511eefb58f718a4cdf006115ab7e SHA-256: c5d5ea36ecc03555631ffe47e370b8ba3207cbf717502364aad974461b9f5d2f

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 'Pdf.Exploit.Agent-2094' strongly suggests a known exploit. The embedded JavaScript, although not fully detailed here, is the likely vector for exploitation. The document body text appears to be obfuscated or corrupted, providing no clear lure.

Heuristics 5

ClamAV: Pdf.Exploit.Agent-2094 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-2094
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` `ef32c05fe59fee430e1d94299c6ca7cf4a9d8232f71bc2c9ac023267b1b0ff22`	pdf-javascript-stream	PDF /JS object 7 at offset 0x49B	10854 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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