PDF malware analysis — malicious · ddeec369001919eb

MALICIOUS

PDF

1.5 KB

MD5: 47230f436b83b5db09d214d7568c36b4 SHA-1: a5a4a8005de1a46abdc852e76191e3fbe7cee39d SHA-256: ddeec369001919eb368a6016067340291c65613c74cbb92e27ed6d2479256797

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link

The PDF file contains embedded JavaScript that leverages the CVE-2009-0927 vulnerability, specifically using the Collab.getIcon method. The JavaScript is obfuscated and uses unescape() for decoding. This exploit is designed to download and execute a second-stage payload. The presence of the 'Pdf.Exploit.CVE_2009_0927-1' ClamAV signature further confirms the malicious nature of the file.

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 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0007_000.js` `4d463b354bcfad351607a6400b5189959c451671a42f1d7f612adc1d0debb974`	pdf-javascript-stream	PDF /JS object 7 at offset 0x297	584 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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