PDF malware analysis — malicious · d05956e6277cf6ad

MALICIOUS

PDF

12.4 KB Created: 2009-11-11 19:41:02 Authoring application: PDF Library 10.6.10 (via PDF Library 10.4.5)

MD5: 2e5772e701c12e62604343ba5591f6e5 SHA-1: 4b182695a5c905a8d77216efa48b21e49ee76bf9 SHA-256: d05956e6277cf6adf456f798a92130ec33184532e814fbf4857a97925767f160

220 Risk Score

Malware Insights

MITRE ATT&CK

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

This PDF file exploits multiple known Adobe Acrobat vulnerabilities including CVE-2009-0927, CVE-2007-5659, and CVE-2008-2992. The exploitation involves deobfuscated JavaScript that likely downloads and executes a second-stage payload. The presence of multiple exploit indicators and the use of obfuscated JavaScript suggest a deliberate attempt to compromise the user's system.

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)
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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_obj0007_000.js` `b7969e3f35b9e7c56f2d6107bb89294a7c209cbfe31c1d21fcdf3b8cf9abe97f`	pdf-javascript-stream	PDF /JS object 7 at offset 0x268	38144 bytes
`legacy_pdfkit_stage_000.js` `8675cf907389a5e47d153ffc732df0029735e08a1bbd7625af85f46f9089e58d`	deobfuscated-js	numeric array subtract-key decoded JavaScript at offset 0x268	9874 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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