Malicious PDF — malware analysis report

Static analysis result for SHA-256 24355722a82a0525…

MALICIOUS

PDF

12.6 KB
MD5: 02228f53bb5bf750864279bf1bfb4e3a SHA-1: 9e39e2904c993665cf2a329788d28313d35bca06 SHA-256: 24355722a82a0525e5758b5004b96243bcff28bbe1ef4e1309d7bbfebced508a
188 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell T1566.001 Spearphishing Attachment

The PDF file contains an embedded XFA form which is exploited by CVE-2010-0188, a known vulnerability in Adobe Reader. The embedded script payload within the XFA form is likely responsible for executing the exploit. This indicates a malicious PDF designed to deliver a payload via a user-opened document.

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.
  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • 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.
  • 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://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_pdf_script_00000359.bin
99ca7b4ab8f42526abd96f5252cfae4ec1852dc252b4808c7b598d506bad5e46
pdf-embedded-script PDF raw stream script payload at offset 0x359 12221 bytes