Malicious PDF — malware analysis report

Static analysis result for SHA-256 b948eb70f554bf74…

MALICIOUS

PDF

99.5 KB
MD5: f9d02f9374f84225f540e714d8d5321a SHA-1: 9a2c55a8e117f3e9e23f7ba71a3f2438a2dba0ea SHA-256: b948eb70f554bf746d8aa39bdfbe210f6edf3ea9954fccdc055c10a1debba497
136 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File

This PDF file exploits the CVE-2010-0188 vulnerability in Adobe Reader, leveraging XFA forms to deliver a malicious payload. The embedded script within the XFA form is indicative of an exploit designed to compromise the user's system upon opening the document. No specific malware family was identified, but the attack pattern is consistent with exploit-based document delivery.

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
871d15a2e3204d2e9e91eff6261afdf1d090018e62a1388087c46c3b56e709cd		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101187 bytes

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