Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6c7adb04402fc7c…

MALICIOUS

PDF

66.1 KB
MD5: d3fe44a2407a7812b8c75bc933ac84fa SHA-1: f27718c00fc2c3024ab09e8f518156108472a8d6 SHA-256: e6c7adb04402fc7c41ee46799a14bd5d84993fc4880fac4dcc618025c1a6a246
136 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution T1059.001 PowerShell

The PDF file contains an embedded script and is flagged as exploiting CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms. This indicates the document is designed to trick the user into opening it, leading to code execution via the exploit. The embedded script likely facilitates the download and execution of a secondary payload, although its specific actions are not detailed in the provided evidence.

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
2dee9ff5864fc6348dddcc8288bbdaa146c76a6461e5af8df3e773570e3bcae0		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 66968 bytes

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