Malicious PDF — malware analysis report

Static analysis result for SHA-256 13e045a5ce7b67c8…

MALICIOUS

PDF

100.0 KB
MD5: a2daab248f1c83cfab2d57cd6d6a37a7 SHA-1: ac74419f3bf4bbbffc9d8365e508ad30937d30a9 SHA-256: 13e045a5ce7b67c8a46e0dce4f0ad917f8a2638ead4dd7b95fa186055cfca282
116 Risk Score

Malware Insights

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

This PDF file exploits the CVE-2010-0188 vulnerability in Adobe Reader's LibTIFF component, which is a critical finding. The exploit targets XFA forms and appears to embed a script payload. The primary goal is likely to achieve arbitrary code execution, enabling the download and execution of further malicious content. No specific malware family is identifiable from the provided evidence.

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
655a9387f4fd104521b9dc30296b7b4ef55b9747ff1f0f751e2970da7d7709bd		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101678 bytes

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