Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0f3eb41a22d71b6…

MALICIOUS

PDF

78.8 KB
MD5: ff2421c9e1d3e76cf7d723f4929d3881 SHA-1: c3d770a8a9c93d5d2bb59d318732669e26669f19 SHA-256: f0f3eb41a22d71b6950c537216a875f2d7bafbe6b69db7bedf640874c1ebf736
96 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1059.001 PowerShell

This PDF file exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. The heuristic firings indicate an embedded script payload within a PDF stream, suggesting the document is designed to deliver and execute malicious code upon opening. The embedded file and XFA structure further support the exploit vector. The exact nature of the payload is not fully discernible from the provided script fragments, but the exploit itself is the primary attack vector.

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 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.
  • 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 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
f14cab1f47505fafafaf4a72c2caf374afcf1e15a6a47cd9e0d2c939af990956		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 79952 bytes

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