Malicious PDF — malware analysis report

Static analysis result for SHA-256 09752f7733f45135…

MALICIOUS

PDF

99.7 KB
MD5: 854bc3dc4a605886a8096d20f9700042 SHA-1: bf6e731398f1f576b53013f3e4bfd4a2480e8952 SHA-256: 09752f7733f451355c79e604196052ef48a94aa38e6e12961bf4f9f661c559f3
116 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1566.001 Spearphishing Attachment

The PDF file exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms, to achieve code execution. The presence of embedded XFA content and the specific exploit firing strongly indicate this attack vector. While no malicious URLs or scripts were directly extracted, the exploit itself is the primary indicator of malicious intent, likely delivered via spearphishing.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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
521463e13ae770fc2aa5cbe64d52d753ad628b78895ddbd8f97cff7478a3c27f
pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101374 bytes