PDF / .MAL malware analysis — malicious · d2d041409924d696

MALICIOUS

PDF / .MAL

7.1 KB

MD5: 9920a364b33e72e7f4c5ee74f120af09 SHA-1: de66f6be4a442163a275113d47df45ade24d3a63 SHA-256: d2d041409924d696f23841c444dd4eb946da277fd5186a13398f01f87bc60638

178 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including PDF_JAVASCRIPT and PDF_JS. The critical CVE_2009_0927 heuristic specifically points to the exploitation of a known vulnerability in PDF readers. The unescape() call and obfuscation indicators suggest the JavaScript is designed to download and execute a second-stage payload. The extracted artifact 'javascript_obj0006_000.js' is likely the obfuscated script responsible for this malicious action.

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. (matched in decompressed stream)
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
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` `cb2e1532a63113926488b44c5ce0514101be20fafe2698d3800a2ebc512abef5`	pdf-javascript-stream	PDF /JS object 6 at offset 0x193	6096 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 4 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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