Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3cf2c9218ad76b4…

MALICIOUS

PDF

12.8 KB
MD5: 7785c464392d0af3027abfe46454b8d9 SHA-1: a2a6ab8f4f04a660612c651a6530e8f3810aa830 SHA-256: f3cf2c9218ad76b44f57e7f1b6fd3e59b85c81b0e6cc607272f5928228add5f8
188 Risk Score

Malware Insights

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

The PDF file contains an XFA form and exploits CVE-2010-0188, a known vulnerability in Adobe Reader's LibTIFF component. This exploit allows for arbitrary code execution. An embedded script payload was also detected, further indicating malicious intent. The embedded URL is likely part of the exploit chain or a lure.

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_0000034c.bin
4098eb1e5827a89cdd9733ad23b3637dfd7cf46b1585af1b51c8ab4ccb5e77fe		 pdf-embedded-script PDF raw stream script payload at offset 0x34C 12351 bytes

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