PDF malware analysis — malicious · 430e293e0719be6a

MALICIOUS

PDF

4.0 KB Created: 2009-08-23 19:47:07 Authoring application: Elra 2.5.4.3 (via PDF Library 4.8.1.5)

MD5: 2dfd50277d7789e4deeb217504e16269 SHA-1: 953bc7d5a0425114052d693efa096a14d5ad1fd6 SHA-256: 430e293e0719be6aaf37240b30606534fa306f4d260ed8909b371a064fbf088c

200 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript that leverages multiple critical vulnerabilities, including CVE-2009-0927, CVE-2007-5659, and CVE-2008-2992. The JavaScript is obfuscated and appears to be designed to download and execute a second-stage payload. The specific vulnerabilities targeted indicate a malicious intent to compromise the user's system.

Heuristics 6

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)
util.printf — CVE-2008-2992 critical CVE exact CVE_2008_2992

PDF JavaScript calls util.printf() — CVE-2008-2992 is a stack buffer overflow in Adobe Reader triggered by a long format-specifier argument. Widely exploited in the wild after disclosure. (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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0014_000.js` `6ddb678b615a51becd73357b30e8bf3d1b57128b5382ccf36976adee5795145b`	pdf-javascript-stream	PDF /JS object 14 at offset 0x398	29205 bytes
`numeric_charcode_stage_000.js` `61245e86b106c4ae018936485c51ef1bc7acf549d61c8ccdebfcf83009d95d0e`	deobfuscated-js	numeric char-code string decoded JavaScript at offset 0x44D	6606 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 9 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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