Malicious PDF — malware analysis report

Static analysis result for SHA-256 d794ebc0d9ae290c…

MALICIOUS

PDF

62.4 KB
MD5: 28d7280f240bb1a368eac20006858ac8 SHA-1: 730642f56e1a54b68fc73937ab4c1ef7182b1932 SHA-256: d794ebc0d9ae290cd73f34c03fc1a673108538586a85d26782f0985a7506bce2
138 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1204.001 Malicious Link

The PDF file contains an embedded script payload and exploits CVE-2010-0188, a known vulnerability in Adobe Reader's handling of XFA forms. This indicates the document is designed to execute arbitrary code upon opening. No specific malware family was identified, but the exploit suggests a downloader or dropper functionality.

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
aea24f3d15610e51a0cc5bd91071fcec0e4d5274f3519d017d4c493d7d6cfe09		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 63159 bytes

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