Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2485be9e4d4d267…

MALICIOUS

PDF

44.8 KB Created: 2010-09-22 15:53:28 Authoring application: Apache FOP Version 0.93
MD5: 44c7377acae5e5397022040b2807c784 SHA-1: bb065c8bc9b4378331a4fee996c18fcb3222c067 SHA-256: c2485be9e4d4d26789066a8c3ea8e2bf8706365d229ff8a9b3ac14d6e79a31cd
104 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The 'PDF_FILTER_HEX' heuristic with exploit indicators suggests an attempt to obfuscate malicious content. While the document body is heavily obfuscated and does not provide clear user-facing text, the presence of JavaScript and the ClamAV detection 'Heuristics.PDF.ObfuscatedNameObject' strongly suggest malicious intent, likely involving the execution of a second-stage payload. The embedded URLs are not directly indicative of malicious activity but are part of the document's structure.

Heuristics 6

  • ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • 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.
  • 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
23b90669efb215f69d0efc9cb196afaa0614bd2003459c05c3dc674cd1387d9e		 pdf-javascript-stream PDF /JS object 12 at offset 0xA168 3438 bytes

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