PDF malware analysis — malicious · 9f95abbffee73d0e

MALICIOUS

PDF

6.2 KB

MD5: ba21bf323165cc265b87566d0df56015 SHA-1: 469b15dcfd59cb48b07d013b5e7374999011c516 SHA-256: 9f95abbffee73d0e92df10afeaf916b14ba63ba246f04697c274e770754e60a3

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link

The PDF file contains embedded JavaScript, which is obfuscated and utilizes the unescape() function. Critical heuristics indicate exploitation of CVE-2009-0927 (Collab.getIcon) and general PDF obfuscation. The embedded JavaScript is likely responsible for executing malicious code, potentially leading to further compromise.

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` `d7b35a10f4ecacb4a6164915fcb1a60052fe3cddf6d348abc040a8a88f2c2006`	pdf-javascript-stream	PDF /JS object 6 at offset 0x193	5332 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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