PDF malware analysis — malicious · ccc4baad3f7d65e1

MALICIOUS

PDF

45.4 KB

MD5: ef0b9b561501824a64fa4bd93e8d54c2 SHA-1: 07423898a826f253fb2517ed81eae901fcb4d793 SHA-256: ccc4baad3f7d65e13dffd7eb492c3511409bdd7474761d93a04492ace1f98ac0

100 Risk Score

Malware Insights

MITRE ATT&CK

T1190 Exploit Public-Facing Application

The PDF file contains obfuscated JavaScript that exploits the CVE-2009-0927 vulnerability in Adobe Reader. The embedded JavaScript, after deobfuscation, is designed to execute a malicious payload, likely a second-stage downloader or implant.

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)
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_obj0008_000.js` `fd2506541d8e1312166a46e17a0d5d66316411844548873763deead0a1c68829`	pdf-javascript-stream	PDF /JS object 8 at offset 0x1D3	9143 bytes
`custom_b64_stage_000.js` `c2100f28f344a0441d0878ea51b463437b3d6a89abf830cac2e66429341160fc`	deobfuscated-js	custom Base64 decoded JavaScript layer 2 (PDF /JS object 8) at offset 0x8A7	1499 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

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