PDF malware analysis — malicious · 268f4e9c086514da

MALICIOUS

PDF

46.3 KB

MD5: 6f20745235e26ac4a4ace254b05837ce SHA-1: 5a7a57f60d992a3a3cf01573ed64f82cbeff236a SHA-256: 268f4e9c086514da93b87c0137b47975bdb7316f075e996e49bcd235b508e4f9

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 Command and Scripting Interpreter: PowerShell T1204.002 Malicious File Execution: Malicious JavaScript

The PDF file contains embedded JavaScript that exploits CVE-2009-0927 using a custom Base64 decoder. This JavaScript is designed to download and execute a second-stage payload, indicating a downloader or exploit delivery mechanism. The obfuscated nature of the script and the exploit technique suggest a malicious intent 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)
Suspicious extracted artifact high 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.
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.

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0008_000.js` `032266dcc0e68cb7df4f56e0884d156153209b6ba002820249660ecdb0b3bc35`	pdf-javascript-stream	PDF /JS object 8 at offset 0x1D3	9319 bytes
`custom_b64_stage_000.js` `422d55b202b0ef3da34e22b9b767f9bdeba5f8efd875e48d63d2a04bdcdb7582`	deobfuscated-js	custom Base64 decoded JavaScript layer 2 (PDF /JS object 8) at offset 0x8A7	1541 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.