Malicious PDF — malware analysis report

Static analysis result for SHA-256 aeff201bfeb6a71c…

MALICIOUS

PDF

12.7 KB
MD5: 24b8844000216154645378f192989176 SHA-1: 1a849d3f52c483ae4d3d6612f0672a32408da4bf SHA-256: aeff201bfeb6a71c979ec4cbcd9b9d4a678f568ca8d9c4d88817c2812640d7ab
210 Risk Score

Malware Insights

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

The PDF file contains an XFA form that exploits CVE-2010-0188 in Adobe Reader. An embedded script within the XFA form is identified as the payload. This script is likely responsible for further malicious actions, such as downloading and executing additional malware. The presence of the XFA exploit and embedded script strongly indicates a malicious intent to compromise the user's system.

Heuristics 7

  • 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.
  • Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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_00000364.bin
ea9d87bbd7df948a8152ab28fb8604a1329b6cfdecc6e3936eceed3ea5bc724b
pdf-embedded-script PDF raw stream script payload at offset 0x364 12276 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 33 long hex-escaped blob(s).