PDF malware analysis — malicious · dd8db97888fd2518

MALICIOUS

PDF

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

MD5: 28f0a57bb0ec3783162defe6ce6e951c SHA-1: 35879e2f97cc9c2b503536bd1317690038be1dcd SHA-256: dd8db97888fd2518cb9fb14bccb5fe86da523396547253e4ffc73d1cec607afb

260 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript 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 associated with the execution of embedded JavaScript. The presence of JavaScript actions and streams, along with ClamAV detection as Pdf.Exploit.Agent-11498, strongly suggests that the document is designed to leverage these exploits to run malicious code. The specific exploits targeted indicate a pattern of exploiting known PDF reader weaknesses.

Heuristics 7

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)
ClamAV: Pdf.Exploit.Agent-11498 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-11498
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` `d0457e7f573799aa488bf459e865f51ae252d31afd879781551fc551b6cf49cc`	pdf-javascript-stream	PDF /JS object 12 at offset 0x533	456 bytes
`javascript_obj0028_001.js` `d3d3915759b349c7c1f4d77bb333faa40686f5da857ecef8f72a06e51951ae42`	pdf-javascript-stream	PDF /JS object 28 at offset 0x1B9	2194 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 16 eval/decoder/string-building token(s).
`legacy_pdfkit_stage_000.js` `995612276898a2f07de06f4265f5c565bba5dc84d1b4c3cf4614fe1c70b37c3a`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x6E3	29970 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 75 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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