PDF malware analysis — malicious · fa9af6c772a5fc89

MALICIOUS

PDF

6.0 KB Created: 2009-01-35 62:12:26 Authoring application: Adobe

MD5: 6d2ff029e347ac05af22b4d533eff352 SHA-1: 1482a9552ecb9b3fc6e246eeb70aaad527a96c6f SHA-256: fa9af6c772a5fc89e1b9f402087933bf050d3b8f6c3137309e7c320f53ecbd16

198 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript T1204.001 Malicious Link T1204.002 Malicious File

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 through embedded JavaScript, which is likely used to download and execute a secondary payload. The presence of deobfuscated JavaScript files further supports this analysis. The exact payload or destination is not discernible from the provided evidence.

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 6

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0032_000.js` `758e25bae2e2f348b058980bd83d87c45bc6383f683afc9214010118fa1ee8b6`	pdf-javascript-stream	PDF /JS object 32 at offset 0x2F1	237 bytes
`javascript_obj0034_001.js` `18d3476243d1159b7b8069707bc8cf70c280664aff495156d73e099dea3bacc8`	pdf-javascript-stream	PDF /JS object 34 at offset 0x3D9	327 bytes
`javascript_obj0036_002.js` `f511743bc4e4533159dceb2cbeee45b6b2e521949c2a704d8301cee5fa8039c6`	pdf-javascript-stream	PDF /JS object 36 at offset 0xAC	178 bytes
`legacy_pdfkit_stage_000.js` `4fae0c25b65cba154c2e01e168ad12ce7bcdd99944718cb6def2c4c37fc52842`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x507	1699 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).
`legacy_pdfkit_stage_001.js` `f9302d77c7e5a17cd669e91522266b21e6d9d41d88fd0a5bbe27ed1ea25f0c04`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0xAB2	1857 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).
`legacy_pdfkit_stage_002.js` `f75ba0b09b3373010d96183a8b96f29dcb208a41f3edb1a69b5871261b43b1a8`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x1042	3063 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 6 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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