Pdf.Dropper.Agent-7238778-0 PDF malware analysis — malicious · 22394b62cfc2c38b

MALICIOUS

PDF

1.4 KB

MD5: 464574d83645a252f2b1ca631c402f79 SHA-1: c76ec5e654ee6eeff49abf95f6a753ff375a0d04 SHA-256: 22394b62cfc2c38b15284e433b1820bea6d62e90135679145c2aab67a7303b5b

196 Risk Score

Malware Insights

Pdf.Dropper.Agent-7238778-0 · confidence 95%

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell T1566.001 Spearphishing Attachment

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The critical CVE_2009_4324 heuristic firing suggests exploitation of a known vulnerability in Adobe Reader via the media.newPlayer object. The embedded JavaScript, specifically the use of unescape() and the presence of obfuscated script content, points towards the execution of a malicious payload. The ClamAV detection name 'Pdf.Dropper.Agent-7238778-0' further supports its classification as a dropper. The primary attack vector is likely a user opening a malicious PDF, leading to the execution of the embedded script.

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-7238778-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7238778-0
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
Suspicious extracted artifact medium 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.
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.

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj111111_000.js` `438af9c25d3dfd302be9b3d4ab21c2487a8fc4a464ebf50950d6e6eeec2225aa`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	1265 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` `a7faf2717875184a57b034a5e9d5930cde595ccdd17a58fe194eb4fc82ddedf2`	pdf-javascript-stream	PDF /JS object 111112 at offset 0x485	270 bytes

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