PDF malware analysis — malicious · dab207f6036e7706

MALICIOUS

PDF

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

MD5: 1b9213800a237052b2edd6ac3cc13c06 SHA-1: b7bcd80b22e17ce29879da7dcc3896640dd12b6c SHA-256: dab207f6036e770646fbcb3321ad8372438696e892549f25bd22fa142cd3fba6

78 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, identified by the PDF_JAVASCRIPT and PDF_JS heuristics. The critical CVE_2009_4324 heuristic indicates that the JavaScript is obfuscated and likely exploits a known vulnerability in Adobe Reader to execute arbitrary code. The extracted JavaScript, particularly 'legacy_pdfkit_stage_000.js', is indicative of a downloader or initial access stage, designed to fetch and execute further malicious content. The authoring application 'Google' is likely a decoy or part of the obfuscation.

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 0x7BA	585 bytes
`legacy_pdfkit_stage_000.js` `adbbe3141ae2cf8a1da00f2781507107ae5743c58198c10b31fc93b3cf12175a`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x18E	2621 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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