PDF malware analysis — malicious · aa45288f41b8d264

MALICIOUS

PDF

11.9 KB

MD5: ee907154b431e0a8457a364f7ee24bd8 SHA-1: d10258945cd61c2013ff3a8dad022466a9f1ac95 SHA-256: aa45288f41b8d264fd19f0b5d206f46dbdb2d7b3f8512d57c3375e1bb1bf55d2

320 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious File T1204.002 Malicious File: Malicious PDF T1059.001 Command and Scripting Interpreter: JavaScript T1190 Exploit Public-Facing Application

This PDF file contains embedded JavaScript that exploits multiple known Adobe Reader vulnerabilities including CVE-2009-4324, CVE-2009-0927, CVE-2007-5659, and CVE-2008-2992. The deobfuscated JavaScript is designed to execute arbitrary code, likely to download and run a second-stage payload. The file was detected by ClamAV as Pdf.Exploit.Agent-36806.

Heuristics 8

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)
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)
ClamAV: Pdf.Exploit.Agent-36806 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36806
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_obj0076_000.js` `56547a359d2c5c805e80ac48930be8d138df6903be4a4e95b874e9b866364b60`	pdf-javascript-stream	PDF /JS object 76 at offset 0x2C2	11299 bytes
`split_char_table_stage_000.js` `9cc01f7b0b44b384fa42b51958b272a7943a2ee9e07d51bf72a10e1c64c4ac44`	deobfuscated-js	split character-table join decoded JavaScript at offset 0x392	3858 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 11 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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