PDF malware analysis — malicious · f50a4b63d2bd758c

MALICIOUS

PDF

96.7 KB

MD5: 2b7e38f92edf6e9fa6af6c515d868141 SHA-1: fd9e2e8c3ef20dd033185ecf95e89316050ec416 SHA-256: f50a4b63d2bd758c932c63f6699e6acd035b3ab62c1f6fdc8d527d68eb99ed91

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.007 JavaScript

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2009-0927, indicating an exploit targeting this vulnerability. The presence of JavaScript actions and unescape calls further supports the exploitation of this known PDF vulnerability. The embedded JavaScript streams are likely responsible for executing the malicious 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.
ClamAV: Pdf.Exploit.CVE_2009_0927-1 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.CVE_2009_0927-1
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits
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_obj0001_000.js` `06bd71e50eb7891387d6001a18b324e915050f190aca28b492dc8942df7dd3bf`	pdf-javascript-stream	PDF /JS object 1 at offset 0xE	98697 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).
`javascript_obj0001_001.js` `ac61dbcf8aa5b6ac2d606efb9932905f5de4d719eaf1776d0d14d66e33172704`	pdf-javascript-stream	PDF /JS object 1 at offset 0xE	96799 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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