Malicious PDF / .TXT — malware analysis report

Static analysis result for SHA-256 094b40b17243e7e0…

MALICIOUS

PDF / .TXT

3.4 KB
MD5: 2b40af68b0297c9ea3987deeed5342fc SHA-1: 03f617a6067bdb6912fab999d180d5f02f1fdd86 SHA-256: 094b40b17243e7e012c194b0a6b721e24ab31e84ed9cb303c2a0aaba0f1735ed
110 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The file is a PDF that contains an embedded XFA form with a payload designed to exploit CVE-2010-0188 in Adobe Reader. This vulnerability allows for arbitrary code execution, indicating a malicious intent to compromise the user's system. The ML classifier strongly supports the malicious verdict.

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.
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • ASCII85Decode filter (with exploit indicators) low PDF_FILTER_85
    ASCII85 encoding filter present alongside exploit delivery indicators — uncommon outside of obfuscation
  • 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
stream_000_off000001e9.bin
8ba59cbf6fdb5ea5ed37d74e35587572ef7b323ffbbd94343ddcfd283b357b12		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1E9 13469 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).

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