Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d67e02a63891518…

MALICIOUS

PDF

100.0 KB
MD5: 58736b5ad6e6598ffba836f56d4f7fe5 SHA-1: 6444dbdd302bb6d60d438bb4d9808700670bb54f SHA-256: 2d67e02a63891518d50682637eb763bd71b640bf889bc8d986b7ff72b2cd165b
136 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file that exploits CVE-2010-0188, a vulnerability in Adobe Reader related to LibTIFF and XFA forms. This exploit allows for arbitrary code execution. The PDF contains embedded scripts and an embedded file, indicating a multi-stage attack. The embedded URLs are related to XFA schemas and Adobe, but do not directly indicate a malicious payload destination.

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
2c695955bb14d5a4b9b600fae804e9d80d05814d69fe566f3f12485dcaf78bd4		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101630 bytes

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