PDF malware analysis — malicious · c89936c07decd88f

MALICIOUS

PDF

97.3 KB

MD5: f689e0928b45646e93495b30d18ca7c6 SHA-1: 03c57ca0f03172d500e883597a2c457aca43d082 SHA-256: c89936c07decd88f2827566df317c63d93a720d691017466714b484bb8ead11d

178 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2009-0927, indicating exploitation of a vulnerability in Adobe Reader. The presence of JavaScript, particularly with unescape() calls and obfuscation indicators, suggests an attempt to download and execute a secondary payload. The ClamAV detection further confirms its malicious nature.

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_obj0007_000.js` `9c37d3e59232d33eb9d73875de89e1d61efc642ddd6cbc6f39f9bec857ba4f14`	pdf-javascript-stream	PDF /JS object 7 at offset 0x297	98677 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 5 eval/decoder/string-building token(s).
`javascript_obj0007_001.js` `86465197bdff304d381da23193abbce1a46ab310cf9c23342b69a2757b198567`	pdf-javascript-stream	PDF /JS object 7 at offset 0x297	96790 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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