Malicious PDF — malware analysis report

Static analysis result for SHA-256 52893d2512e82b8b…

MALICIOUS

PDF

62.6 KB
MD5: e08ef9ed8fdbbed33314dec8d2d31eef SHA-1: 09141e11ad5185180e1f13fa658bfeb3bc4d7ddd SHA-256: 52893d2512e82b8b64983d14386187a64d85c20fd9a6859eb2366fb5ad392429
138 Risk Score

Malware Insights

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

The PDF file contains an embedded script payload within an XFA form, triggering the CVE-2010-0188 exploit for Adobe Reader. This exploit is known to be used for delivering secondary payloads. The embedded script is likely responsible for downloading and executing this payload, although its exact function is obscured by the XFA structure. The presence of embedded URLs, though benign or unknown, suggests a potential for network communication.

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.
  • 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.
  • 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
8987fa49ee39344e98020430754f065dcacbc9679f2229991e5873efaaa2c6ba		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 63322 bytes

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