Malware Insights
The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. A critical finding is the CVE-2009-4324 exploit targeting the media.newPlayer object, which is a known method for executing arbitrary code within PDF documents. The embedded JavaScript also contains an eval() call, suggesting obfuscated code execution. The primary intent appears to be exploiting this vulnerability to download and execute a secondary payload, though the specific payload and download URL are not directly extractable from the provided evidence.
Heuristics 5
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media.newPlayer — CVE-2009-4324 critical CVE exact CVE_2009_4324PDF 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.
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eval() call high PDF_EVALeval() found — commonly used for obfuscated exploit execution
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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGEOne 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_obj0005_000.js8ea336724a7f1f47670093a3ba1f6598f5f507b2d000e2660ef0f3c1aa152fed |
pdf-javascript-stream | PDF /JS object 5 at offset 0x117 | 1797 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 4 eval/decoder/string-building token(s).
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javascript_obj0005_001.jsca02d2d29a61a078e86fe8f9e778118a5673ba00c5c069052a707663f3351299 |
pdf-javascript-stream | PDF /JS object 5 at offset 0x117 | 33 bytes |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 1 eval/decoder/string-building token(s).
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