PDF malware analysis — malicious · 7bc4d9c28f5b8592

MALICIOUS

PDF

2.8 KB Created: 2009-08-15 14:11:11 Authoring application: Google

MD5: d9760946ee5c604261b2b7d935c0d061 SHA-1: 0bba871ecaeabdba0b609879d0c86fddc4f5f213 SHA-256: 7bc4d9c28f5b85921e0dbc62b38bd1d69678e22a579d940bb03f27dcd2b1d412

78 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, specifically identified as exploiting CVE-2009-4324 via the media.newPlayer object. This technique is commonly used to download and execute further malicious content. The heuristic firings strongly indicate the exploitation of this known PDF vulnerability. No specific family could be identified, but the attack pattern is consistent with a PDF-based exploit dropper.

Heuristics 4

media.newPlayer — CVE-2009-4324 critical CVE exact CVE_2009_4324

PDF JavaScript calls media.newPlayer — CVE-2009-4324 is a use-after-free in Adobe Reader's multimedia plugin triggered by media.newPlayer(). Actively exploited as a zero-day in December 2009. (identified after JavaScript deobfuscation)
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.
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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `c0e018fb9329d3152abd049370bddd1502f1f763038ed0773e8763943bf3a2e8`	pdf-javascript-stream	PDF /JS object 6 at offset 0x7BE	585 bytes
`legacy_pdfkit_stage_000.js` `b59c23524ab45a4a9105ea8c5eb120a52da91533bbc05bc665997d2afb4dc496`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x18E	2627 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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