PDF malware analysis — malicious · dc965779d8f10006

MALICIOUS

PDF

6.2 KB

MD5: a5f52d11b18d4ebe70b8aab27cb739fe SHA-1: 679868800901e2f2dc36c56cf5c57c4bedd82bcd SHA-256: dc965779d8f10006531feee6d6d36427db2af0da889e924a9eeb2f71774d9b9f

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript T1204.002 Malicious Link

The PDF file contains embedded JavaScript and triggers a critical vulnerability (CVE-2009-0927) related to the Collab.getIcon function. This indicates the document is designed to exploit this specific flaw to execute malicious code, likely for further payload delivery. The presence of obfuscated JavaScript and a high risk score further support this conclusion.

Heuristics 6

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. (matched in decompressed stream)
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `d60efa980d0bee3f914d98fa005fcc3fc71536c9ea3293b841a6015a1fb6d402`	pdf-javascript-stream	PDF /JS object 6 at offset 0x19D	5447 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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