Malicious PDF — malware analysis report

Static analysis result for SHA-256 aae0aaf90e00c8d4…

MALICIOUS

PDF

10.1 KB First seen: 2026-05-10
MD5: 0868b7c60f934486bdcab2b9a5d6b0ff SHA-1: b8e017f0a5bb3515085183935e5524a8aeecf5a2 SHA-256: aae0aaf90e00c8d4655f31ad3c233f00ecc2f5d34b4a74b7b89ebd1f460a516e
110 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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/ In PDF document text
    • http://www.xfa.org/schema/xci/1.0/In PDF document text
    • http://www.xfa.org/schema/xfa-template/2.4/In PDF document text
    • http://www.xfa.org/schema/xfa-data/1.0/In PDF document text
    • http://ns.adobe.com/xtd/In PDF document text
    • http://www.xfa.org/schema/xfa-form/2.8/In PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0001.bin pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x5A 13408 bytes
SHA-256: adf14070f1b0bc9d1cda9eabe4b6e5b52c5c7a1aed0ac80d4accbf17565339d5
Detection
ClamAV: No threats found
Obfuscation or payload: likely
88 of 173 identifiers look randomly generated (e.g. 'af49Z0ma5VPzQs8kG5LYzdRdjd3QUJCaDNPcnJQM'); 2 string-concatenation chain(s) — consistent with name-mangling obfuscation. Carved artifact contains 1 long base64-like blob(s).
xfa_image_rawvalue_000.tif pdf-xfa-image-tiff XFA image/rawValue TIFF payload near offset 0x57F 8642 bytes
SHA-256: 7684efe83aa1995bc9a8be263b26170651ad8d5b111731160ec7f1f11cdf622d
Detection
ClamAV: Win.Exploit.CVE_2010_0188-7
Obfuscation or payload: unlikely

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