Malicious PDF — malware analysis report

Static analysis result for SHA-256 5380af95d0a16fd5…

MALICIOUS

PDF

99.8 KB
MD5: d7555b8bd3000d5f98c96e294a3a1f9d SHA-1: a16771d84aae976725d42e80e06726bc7244f4dd SHA-256: 5380af95d0a16fd57b78e7b4246649f88aed1d2424df81c988c6072f14c6ac00
136 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: Malicious PDF T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file exploits CVE-2010-0188, a known vulnerability in Adobe Reader related to XFA forms and LibTIFF processing. The heuristic firings indicate an embedded script payload within an XFA form, suggesting the exploit is designed to execute code. While no specific second-stage payload or network communication was directly observed in the provided evidence, the nature of the exploit strongly implies an intent to download and execute further malicious content.

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
370e48895ec9df3acc1e6797a294b3eec880f3debc052575038bf51abd055b4a		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101415 bytes

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