PDF malware analysis — malicious · f06a81fe6f0e624a

MALICIOUS

PDF

1.4 KB

MD5: fb9851c81c07c90db2bc092ae90c5f10 SHA-1: 1717553d689a19af6eba96df844f3596e11b1440 SHA-256: f06a81fe6f0e624ad9e95827a1d656d239daa44b4bd2b1da6e3cf1cf96794192

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains embedded JavaScript that is triggered by the CVE-2009-4324 vulnerability, specifically related to the media.newPlayer object. This indicates an attempt to execute arbitrary code upon opening the document. The JavaScript is obfuscated, but the exploit itself is the primary indicator of malicious intent. No specific family could be identified due to the generic nature of the exploit.

Heuristics 5

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. (matched in decompressed stream)
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
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_obj111111_000.js` `55dc4a9c53746c911913c895be89e11ea971be3f2cd96f477174eb1a420e84d2`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	1274 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).
`javascript_obj111112_001.js` `cfd955d1c962902f96031f1c9065ad23628c37ae998240fe5532b9a536efd2db`	pdf-javascript-stream	PDF /JS object 111112 at offset 0x485	269 bytes

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