PDF malware analysis — malicious · f7a6c60020de05ca

MALICIOUS

PDF

82.7 KB

MD5: a483c8f1dee47393158798884a44f840 SHA-1: a194d03eb28eba18a18d52f4984b40c9c7ad25e1 SHA-256: f7a6c60020de05caf69ffdede7edd5fbf6c8865c408a312124cef523e21e64c8

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains embedded JavaScript and triggers a critical vulnerability (CVE-2009-4324) related to media player handling. The embedded JavaScript stream, identified as 'javascript_obj0006_000.js', is obfuscated and likely responsible for further malicious actions. The ClamAV detection and heuristic firings strongly indicate malicious intent, likely involving the exploitation of this PDF vulnerability to deliver a payload.

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` `569d7b96c69c14cc37aa284d4ccedeb305fa157fe10fa136a17a47fcb8065f42`	pdf-javascript-stream	PDF /JS object 6 at offset 0xC0	3021 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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