PDF malware analysis — malicious · 8e61782d00cc3f7a

MALICIOUS

PDF

3.1 KB

MD5: c35eb8cd065de6042bfc9ed03df622c3 SHA-1: 8aacef4fcda4d280b9ec8104352a61eb2af9211f SHA-256: 8e61782d00cc3f7a5ecd9ec2b83b892c926cbb770ef98d17d2472bdc30b1b569

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript and triggers a critical vulnerability (CVE-2009-4324) related to media player object handling. The embedded JavaScript stream, identified as 'javascript_obj0006_000.js', is likely responsible for executing the exploit. The ClamAV heuristic also flags the file as suspicious due to obfuscated objects. The primary attack vector appears to be exploiting the CVE-2009-4324 vulnerability to achieve arbitrary code execution.

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: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `6457a37b24854f9ba0e1fb46793794af0511a4721e328cc597e5651983a6b6f9`	pdf-javascript-stream	PDF /JS object 6 at offset 0x1A1	2127 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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