PDF malware analysis — malicious · 5432f3434dcd6e97

MALICIOUS

PDF

45.8 KB

MD5: 864ca7d43bbabd3d356c46a93b5577f9 SHA-1: d1b9a36b7ee549bba0553ff5b4c002854d323260 SHA-256: 5432f3434dcd6e973d3bc428cf0d8386d12f0b3c44a0c3546f586d269b80195e

98 Risk Score

Malware Insights

MITRE ATT&CK

T1204.001 Malicious Link T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript that utilizes the Collab.getIcon method to exploit CVE-2009-0927 in Adobe Reader. The JavaScript is obfuscated and decodes a second-stage payload, which is then likely executed. This indicates a downloader or dropper functionality designed to compromise the user's system.

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. (identified after JavaScript deobfuscation)
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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_obj0008_000.js` `d02bf7de2d0a8ec91600437425b779da0dab0514bef2b029bdfe47dc13e8b9dc`	pdf-javascript-stream	PDF /JS object 8 at offset 0x1D3	9215 bytes
`custom_b64_stage_000.js` `0c69d2c07ebf5ad579e8ba94301470b3ac4081e76cb4716fcdc5e062679f9839`	deobfuscated-js	custom Base64 decoded JavaScript layer 2 (PDF /JS object 8) at offset 0x8A7	1517 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 3 eval/decoder/string-building token(s).

Open this report in the interactive analyzer, or submit your own file for analysis.