Malicious PDF — malware analysis report

Static analysis result for SHA-256 5354dd596cfc4177…

MALICIOUS

PDF

99.6 KB
MD5: ba67760ddb7abb253e47ff31747dcc64 SHA-1: a17fc7c6d551bfbc118d0f357c8e5284e8f90ebf SHA-256: 5354dd596cfc4177b97bf95c62aa28803dcdf42846e8b4b6233663655021f8c0
96 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1059.001 PowerShell T1566.001 Spearphishing Attachment T1190 Exploit Public-Facing Application

The PDF file contains embedded content and triggers a critical heuristic for CVE-2010-0188, an Adobe Reader LibTIFF XFA image exploit. This indicates the file is designed to exploit a known vulnerability to gain code execution. The presence of embedded URLs, though benign or unknown, suggests potential communication channels. No scripts were extracted, but the exploit itself is the primary attack vector.

Heuristics 5

  • 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.
  • 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
4b698810b638ef0d743db2ced0bb255b0138ee7633c02366a2a011d35835ed65		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC6 101289 bytes

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