PDF malware analysis — malicious · 30deebcf0f62615d

MALICIOUS

PDF

45.9 KB

MD5: 710302bb3b7c778630c7aca6de14e3d7 SHA-1: 80cb6fdb246568746f20cedeb17cd1b08dbda6fa SHA-256: 30deebcf0f62615ded3b242bc717bb761abd09af4c912f087312ad0e5331e55c

136 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1027 Obfuscated Files or Information

The PDF file contains obfuscated JavaScript that exploits CVE-2009-0927 using the Collab.getIcon method. This JavaScript is designed to download and execute a second-stage payload, as indicated by the critical heuristic firing and the deobfuscated JavaScript artifact. The exploit targets Adobe Reader vulnerabilities.

Heuristics 5

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)
Suspicious extracted artifact high 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.
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.

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0008_000.js` `b16222e2916c908504b379e2c45ba1adb78260b0c8afe656c06ebccf77dec95f`	pdf-javascript-stream	PDF /JS object 8 at offset 0x1D3	9243 bytes
`custom_b64_stage_000.js` `1d5d7a4627b3263b0385e730e4146bbb874aa5720ed8520947aab28606e3fe64`	deobfuscated-js	custom Base64 decoded JavaScript layer 2 (PDF /JS object 8) at offset 0x8A7	1523 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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