PDF malware analysis — malicious · a2ba697d4e0ea706

MALICIOUS

PDF

3.2 KB

MD5: 34e561e2ec59ca17159899d4abf8f907 SHA-1: e5d2f254355b8bc803f37c2bd488d906d91d0b04 SHA-256: a2ba697d4e0ea70647615b05a7815bed5af9c61ff83ad71f67565057f97efc0c

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 playback. The embedded JavaScript stream, identified as 'javascript_obj0006_000.js', is likely responsible for exploiting this vulnerability. This behavior is characteristic of a dropper, designed to download and execute further malicious content. The ClamAV detection further supports its malicious nature.

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-7009737-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7009737-0
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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `b536aa46d346ae66303814eaac284ffb6fc86f8056d6e3293100a4bc1e6baffc`	pdf-javascript-stream	PDF /JS object 6 at offset 0x197	2302 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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