PDF malware analysis — malicious · 407a12628ab42e30

MALICIOUS

PDF

3.6 KB Created: 2008-09-24 19:47:56 Authoring application: Adobe (via Notepad)

MD5: e050fa4ef06ddefdb9d9a9a3bfa2e82e SHA-1: 486a9b57ef1cf92aa2aef37810a72a2c8870de7c SHA-256: 407a12628ab42e30ecaffbd9e0466df128a53a2b2a2ed39851c6490cf9efc4a5

240 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link

This PDF file contains embedded JavaScript that leverages two critical vulnerabilities: CVE-2009-0927 (Collab.getIcon) and CVE-2007-5659 (Collab.collectEmailInfo). The JavaScript is obfuscated and uses eval() to execute, indicating an attempt to bypass detection. The primary goal appears to be exploiting these vulnerabilities to achieve arbitrary code execution within the context of Adobe Reader.

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)
ClamAV: Pdf.Exploit.Agent-35931 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-35931
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
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_obj0006_000.js` `7bf43b1dd9ccbfe5b67702f4045459a8a71277fdc8c3c3d09b2990867a386c22`	pdf-javascript-stream	PDF /JS object 6 at offset 0xB76	217 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).
`legacy_pdfkit_stage_000.js` `3d66a0485ec19040206191fd92199b153f7955778742a638b598ad956f213f76`	deobfuscated-js	repeated-marker hex decoded JavaScript at offset 0x16E	4845 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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