PDF malware analysis — malicious · 9f70606565fc219c

MALICIOUS

PDF

17.9 KB Created: 2010-01-01 07:27:45 Authoring application: Fexaxououazobb

MD5: 2bc39a375fa16746e1e5ae3b6695671b SHA-1: d6928f6a80d71141ecff490d4dbbf3b8ffade3b3 SHA-256: 9f70606565fc219c48ff03b38700d710d508892a30d89c6b4fa08d4c9e8c2e7a

200 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains multiple critical heuristic firings indicating exploitation of CVE-2009-4324, CVE-2009-0927, and CVE-2007-5659. These vulnerabilities are leveraged to execute embedded JavaScript. The presence of JavaScript actions and embedded JS streams strongly suggests the file is designed to download and execute a secondary payload or perform other malicious actions upon opening. The exact nature of the script's execution is obscured, but the exploitation of these specific CVEs points to a deliberate attack.

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. (identified after JavaScript deobfuscation)
Collab.getIcon — CVE-2009-0927 critical CVE exact CVE_2009_0927

PDF JavaScript calls Collab.getIcon — CVE-2009-0927 is a stack buffer overflow in Adobe Reader triggered by Collab.getIcon() with a crafted argument. Allows arbitrary code execution. (identified after JavaScript deobfuscation)
Collab.collectEmailInfo — CVE-2007-5659 critical CVE exact CVE_2007_5659

PDF JavaScript calls Collab.collectEmailInfo — CVE-2007-5659 is a buffer overflow in Adobe Reader triggered by a long argument or heap-sprayed message field passed to Collab.collectEmailInfo(). Part of a series of Acrobat JS API exploits. (identified after JavaScript deobfuscation)
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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0012_000.js` `028dc1690a5eac57f955c2c45a3abb17f939215ad6dd8e9b7d6fc34645633c9f`	pdf-javascript-stream	PDF /JS object 12 at offset 0x497	852 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).
`javascript_obj0028_001.js` `ae882f66e3c1182445dc09dbe5c00c31f713f0df1b6b74a688b4a5ecd2ee3018`	pdf-javascript-stream	PDF /JS object 28 at offset 0x1B9	1586 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).
`legacy_pdfkit_stage_000.js` `179f6a8e50d770c68f7b98081fdbe4e1644d2b5cba9e70fc7891aec90198778f`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x707	31778 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 79 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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