Malicious PDF — malware analysis report

Static analysis result for SHA-256 16de00e2b00c126b…

MALICIOUS

PDF

99.9 KB
MD5: f1a772c26aef978827ea69ecb3cf79f5 SHA-1: 6c30773bb658fbc6e927362d6314ed1cc5b5245a SHA-256: 16de00e2b00c126b1e8ca18f3a56d9f98ee9de87336ce31d512d89fe5a1a648b
176 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

This PDF file is identified as malicious by multiple heuristics, including a critical detection for CVE-2010-0188, which targets Adobe Reader's XFA forms. The presence of an embedded script payload and an embedded file further indicates malicious intent. The exploit likely facilitates the execution of a secondary payload, though the specific nature of that payload cannot be determined from the provided evidence.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • ClamAV: Pdf.Malware.Agent-9990386-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Malware.Agent-9990386-0
  • 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 script payload in PDF stream low 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 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
c04fa6d7d86723ccf9a2c4518f753b81b6cf57c2907287caea6407ad1dc9df1a		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101565 bytes

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