PDF malware analysis — malicious · cc2c959f1282fed5

MALICIOUS

PDF

1.4 KB

MD5: cd94815dda401f0e8c4adae18dccaf74 SHA-1: 1ddb4d7b03fce0a126acfddaf6923f5cdca136ed SHA-256: cc2c959f1282fed5abbf949c66aa3e3ec5e812a7bdcdb447120568691acd52a5

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2009-4324, indicating exploitation of a media player vulnerability. The embedded JavaScript, identified as 'javascript_obj111111_000.js' and 'javascript_obj111112_001.js', is likely responsible for downloading and executing a secondary payload. The ClamAV detection further confirms its malicious nature as a dropper.

Heuristics 6

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)
ClamAV: Pdf.Dropper.Agent-7304749-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7304749-0
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` `d065ca46403de95782e74f53be03ff5f63e67e898d6b14d91faf58673e578d73`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	1281 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` `2ea2927183546aa379393b38d87db0f100527f9e34a1a51877f88e5108c941ea`	pdf-javascript-stream	PDF /JS object 111112 at offset 0x495	274 bytes

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