Malicious PDF — malware analysis report

Static analysis result for SHA-256 4710ac6b442bcace…

MALICIOUS

PDF

99.9 KB
MD5: aa6f871a20d50dda1bed5305eb25c10a SHA-1: bcfb084a92ff64abf4e95518a041232b9dbfa635 SHA-256: 4710ac6b442bcacedd6561acd255e9e132da52709c6afee34131b09560ebe87c
136 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: Malicious Link T1204.002 Malicious Link: Clickjacking

This PDF document exploits CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms and LibTIFF. The exploit is embedded within the XFA form structure and is designed to execute arbitrary code. The document body is heavily obfuscated and does not provide clear user-facing content, suggesting its primary purpose is exploitation rather than social engineering. No scripts were extracted, but the exploit itself is the primary malicious component.

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
dfbcffa13b9c5349b8e82ce77b5f03232d93a8c52802e819c01f0d95affc45a3		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101596 bytes

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