Malicious PDF — malware analysis report

Static analysis result for SHA-256 89ec4fda1071bda6…

MALICIOUS

PDF

99.5 KB
MD5: b60343e18a2e9a8898360d4a6aed27ab SHA-1: 8ea001d7aef3050b22763dcf77dd2b7cee431d15 SHA-256: 89ec4fda1071bda623022ab5e5416624e46371bb4ab668fffb200a2c17f96711
136 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.002 Malicious Link: Malicious File T1059 Command and Scripting Interpreter

This PDF document exploits the CVE-2010-0188 vulnerability in Adobe Reader, leveraging XFA forms to deliver a malicious payload. The embedded script payload within the XFA form is indicative of an exploit attempt designed to compromise the user's system. No specific malware family was identified, but the exploit targets a known Adobe Reader vulnerability.

Heuristics 6

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
  • XFA form contains executable script high CVE related PDF_XFA_SCRIPT
    PDF embeds an XFA form whose dataset contains a <script> or <xfa:script> block — XFA scripting has been the exploit primitive for several Adobe Reader RCEs (CVE-2010-0188 family, CVE-2018-4901, and others). Plain XFA without scripts is far less risky.
  • Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD
    PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
  • Embedded file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
  • 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/xfa-template/2.5/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0008.bin
7e85cb38526ebb74d453dd1693b1741b399e176320c63dfb61a057214064793e		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101170 bytes

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