Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a816a290fa3eafd…

MALICIOUS

PDF

1.8 KB
MD5: 021951151c8f366c3d937b464ed85803 SHA-1: 4075b10eeb5834dbd58af7d92a18c629a5e49e2d SHA-256: 6a816a290fa3eafda722eaaeda26aa02908094c8ab1c98a3de3e62819c5a8ff9
110 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The PDF file contains an embedded XFA form and triggers the CVE-2010-0188 exploit, which targets a vulnerability in Adobe Reader's LibTIFF component. This exploit is designed to execute arbitrary code, indicating a client execution attack. No specific malware family could be identified.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188
    PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
  • 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
  • Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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/xci/1.0/
    • http://www.xfa.org/schema/xfa-template/2.4/
    • http://www.xfa.org/schema/xfa-data/1.0/
    • http://ns.adobe.com/xtd/
    • http://www.xfa.org/schema/xfa-form/2.8/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0001.bin
9ef413787643a8911bd319324b7ffcc586d02b20a608390d993c9d5035cd5176		 pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x50 12910 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).

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