PDF malware analysis — malicious · 7f2bf4c398e48d70

MALICIOUS

PDF

1.5 KB

MD5: fb7780d728cf54f816bced30e2da5253 SHA-1: 1b665c7582c1f2e37f84ca41b76c37925a1be69d SHA-256: 7f2bf4c398e48d704d87d62940fdf2597e72a4db68a23312ff24f975b9df9640

118 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File Execution: Malicious File Execution

This PDF document contains embedded JavaScript that is triggered by the CVE-2009-0927 vulnerability, specifically the Collab.getIcon method. The JavaScript is obfuscated but appears to be designed to execute arbitrary code. The primary IOC is the CVE identifier itself, indicating the exploit method.

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. (matched in decompressed stream)
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_obj111111_000.js` `63aabe99ab56da1c61828738dcbd89ff78c9960bdfd98a407fb4bc05a9831819`	pdf-javascript-stream	PDF /JS object 111111 at offset 0x160	2269 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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