PDF malware analysis — malicious · 565687dda402cc9c

MALICIOUS

PDF

5.0 KB Created: 2009-09-05 19:43:45 Authoring application: Eblasha 9.5.1.10 (via PDF Library 9.3.6.2)

MD5: 2359ee0155e9c0fe19ef0f83816bfcb0 SHA-1: 064d2c979a284548610ff68738faa6677de4cdf7 SHA-256: 565687dda402cc9c4e3515f4fbd64ccb950508a81f19140ad3feb782965e3eb4

208 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link T1059.007 JavaScript

This PDF document exploits multiple Adobe Reader vulnerabilities including CVE-2009-0927, CVE-2007-5659, and CVE-2008-2992. These exploits are triggered by embedded JavaScript, which is obfuscated and decoded from numeric character codes. The primary intent appears to be the execution of this script, likely to download and execute a secondary payload. No specific malware family could be confidently identified.

Heuristics 7

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.
ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85

ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
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_obj0013_000.js` `8435556ac3f950376ca3003c4ffa78449b48e3b4bb5536d7876840f836868afd`	pdf-javascript-stream	PDF /JS object 13 at offset 0x37C	27049 bytes
`numeric_charcode_stage_000.js` `3db5f0974ea61fc9e723bd8356e7ab387daf2ce978d8fb8e4c0f1afd3cbf1ad7`	deobfuscated-js	numeric char-code string decoded JavaScript at offset 0x3C9	8286 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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