PDF malware analysis — malicious · 24276b20970a4946

MALICIOUS

PDF

7.2 KB

MD5: a46268a5947f571b680bbc43b8fa4e86 SHA-1: 7aca4d3129d7e25dc1705c0d54de1998a21b801e SHA-256: 24276b20970a4946a23db9fb6a054409c06b2727911d68488e5763b23f983bd0

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 JavaScript

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2009-0927 (Collab.getIcon). This indicates the file is designed to exploit this vulnerability to run arbitrary code. The presence of obfuscated JavaScript and a ClamAV detection for 'Heuristics.PDF.ObfuscatedNameObject' further supports a malicious intent, likely to download and execute a secondary payload.

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` `c56cb0770b99d4424fb00f3ac42a2f6ee785c4f624186679ce833820d22c627e`	pdf-javascript-stream	PDF /JS object 6 at offset 0x1BD	5994 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s). Carved artifact contains 2 long base64-like blob(s).

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