Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1c1c271f147d00f…

MALICIOUS

PDF

13.1 KB Created: 2011-11-02 19:21:39 +04:00 Authoring application: Adobe Acrobat 10.0 (via Acrobat Web Capture 10.0)
MD5: 7c461094c6dbfa1013569e5f73ecd9ee SHA-1: d3f19ba642ab5ea14520c743c8dbe0162a5ffc85 SHA-256: f1c1c271f147d00fed687ee4d5d0e50b387a8b6d5278035d2d33cded32432bb5
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 JavaScript/JScript T1204.002 Malicious File

The critical ClamAV heuristic indicates this PDF is malicious, specifically identified as Pdf.Exploit.Agent-36776. Low-severity heuristics confirm the presence of embedded JavaScript actions and streams within the PDF structure. While no specific URLs or document body content were provided for analysis, the embedded JavaScript is the primary mechanism for exploitation, likely leading to the download and execution of a secondary payload.

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-36776 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-36776
  • 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.
  • 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://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://ns.adobe.com/xap/1.0/
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/pdf/1.3/

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0024_000.js
de6c89ad13ea253bdd6dca217645bbe822c10e724a266aa4577aa911459d7289		 pdf-javascript-stream PDF /JS object 24 at offset 0x2617 11493 bytes
icc_00_off000018a6.icc
653b586c4707574ffcd648ba35494daed2c76ceafcf4c07d315ed961b1dc347f		 pdf-icc-profile PDF ICC profile at offset 0x18A6 408 bytes
icc_01_off00001a00.icc
2b3aa1645779a9e634744faf9b01e9102b0c9b88fd6deced7934df86b949af7e		 pdf-icc-profile PDF ICC profile at offset 0x1A00 3144 bytes

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