Malicious PDF — malware analysis report

Static analysis result for SHA-256 576afcfbe70f169a…

MALICIOUS

PDF

44.7 KB
MD5: adf3ff6201a94cb0e34eecd5c717488e SHA-1: 6fdec4ed3ed3291c0332e9578c23c5fae906bb7e SHA-256: 576afcfbe70f169a2fee5703923d38009cc338e6fb4c05b656aff17b84737332
104 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript and triggers a critical heuristic for CVE-2010-2883, indicating an exploit targeting Adobe Reader. The presence of JavaScript and XFA form elements suggests an attempt to execute malicious code upon opening the document. The exploit likely aims to download and execute a second-stage payload.

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
91bd3a3116b2e8924a28f45f5280e50b3935d415331143f9fd875ad4b99cc25f		 pdf-javascript-stream PDF /JS object 12 at offset 0xA0BA 3700 bytes
font_00_sfnt_off0000033c.bin
683fcffe9abaad29001e134bdd9ad7d1628d5cbbf628c451b6c621f202a7dae4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33C 65932 bytes

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