Malicious PDF — malware analysis report

Static analysis result for SHA-256 e832d48ec8f263ee…

MALICIOUS

PDF

45.0 KB
MD5: 8e7833a9de9a1469d520b13996a11d8e SHA-1: 6c92f7ef832db2528a4d4ada33dc6e8744c6dbf5 SHA-256: e832d48ec8f263eed2baf0e5c2d65f3ec7ffe066e57d84b63e940a25dc5a952a
84 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF file exhibits characteristics of malicious intent, including the presence of embedded JavaScript and a critical ClamAV detection for obfuscated objects. The embedded JavaScript, though obfuscated, suggests an attempt to execute arbitrary code. The file's structure and the detection of obfuscated objects point towards a delivery mechanism for further malicious activity, potentially involving exploit execution or payload download.

Heuristics 5

  • ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • 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.
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xci/2.6/
    • http://www.xfa.org/schema/xfa-template/2.6/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0012_000.js
f640b37bc7594304aee6eb173b141edaaab551e4ec30b05f1960994bc448e11d		 pdf-javascript-stream PDF /JS object 12 at offset 0xA1DB 3470 bytes

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