Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca052ffed0045a32…

MALICIOUS

PDF

49.9 KB
MD5: ff2b81ab8b9ea7ba103723062fea4d1a SHA-1: 69c5772f5caaa3d6c7e945652784f80ebf46c501 SHA-256: ca052ffed0045a32cee0b3baad116bdbcf993a90323204ff2edb8d467c6d7924
136 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution: Malicious File T1566.001 Phishing: Spearphishing Attachment

The PDF document contains embedded XFA form data that triggers the CVE-2010-0188 exploit in Adobe Reader. This exploit allows for arbitrary code execution, likely to download and run a second-stage payload. The presence of XFA forms and embedded script payloads strongly indicates a malicious intent to compromise the user's system.

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 risky executable script high CVE related PDF_XFA_SCRIPT
    PDF embeds an XFA form whose script block contains exploit, submission/launch, or shell-execution primitives. Ordinary LiveCycle print/update scripts are left as generic XFA/JS signals unless stronger behavior is present.
  • 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
26471c00b16cf289a9953c8b89d8abcefb980b640c95bfa4fa5fe633b1f3d79c		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 50357 bytes

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