PDF malware analysis — malicious · e54c32b49dfae933

MALICIOUS

PDF

1.1 KB

MD5: f0847b1ac03f178ca88e711ab10d1a9a SHA-1: 071d0772bf8b82245d68ca28eeecd29e668719e5 SHA-256: e54c32b49dfae933eebcd0f120901ddf3de49780bae3ada42271643f4cd57c36

220 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.001 Malicious Link

The PDF file contains embedded JavaScript that is triggered by the OpenAction feature. The script utilizes the 'unescape()' function and the 'Collab.getIcon' method, which are known indicators for the CVE-2009-0927 exploit. This exploit is designed to execute arbitrary code, likely to download and run a second-stage payload. The presence of these indicators strongly suggests an exploit attempt targeting Adobe Reader vulnerabilities.

Heuristics 7

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
OpenAction trigger high PDF_OPENACTION

PDF has an /OpenAction — code runs automatically when opened
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_obj0006_000.js` `d2fe4df92cf3695c4402e1a14596d5692b376914fa2e7fd9229f4211ae1d1f23`	pdf-javascript-stream	PDF /JS object 6 at offset 0xF3	593 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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