Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e8ec9561b8acc9a…

MALICIOUS

PDF

44.8 KB
MD5: 60630a70f773995e698cb658ef432ec3 SHA-1: 3d6ae43ed6f9221cefa15b56fabe45fcd9c29a72 SHA-256: 9e8ec9561b8acc9a4bcb1bb89dbadb165c9b0aa018e8ce76b35128e0a1375046
104 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

This PDF file contains a critical vulnerability for CVE-2010-2883, an Adobe Reader exploit targeting the SING table in fonts. The presence of embedded JavaScript and the use of ASCIIHexDecode filters further indicate malicious intent. The exploit likely facilitates the execution of arbitrary code, potentially downloading and running additional malicious content.

Heuristics 6

  • Adobe Reader CoolType SING font exploit — CVE-2010-2883 critical CVE likely CVE_2010_2883
    PDF embeds a TrueType/OpenType font with an actual SING table and pairs it with JavaScript heap-spray shellcode. This matches the public Adobe Reader CoolType SING exploit shape for CVE-2010-2883.
  • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0012_000.js
10e3f9db718d6d63b2b0e93aa1aac686f260b417bc3907cd6fdcab68265e54c2		 pdf-javascript-stream PDF /JS object 12 at offset 0xA0BA 3778 bytes
font_00_sfnt_off0000033c.bin
683fcffe9abaad29001e134bdd9ad7d1628d5cbbf628c451b6c621f202a7dae4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33C 65932 bytes

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