Malicious PDF — malware analysis report

Static analysis result for SHA-256 1041e86e6cba8503…

MALICIOUS

PDF

20.1 KB First seen: 2026-06-25
MD5: 1d566de3bc778fbb70abbfa76fbf5446 SHA-1: cc6e4d6500d41485cc3ced890722d56dff2f4264 SHA-256: 1041e86e6cba85038bf6b70a0954847db850877d998452616c4c11301738bbab
64 Risk Score

Heuristics 3

  • CVE-2024-4367 — PDF.js FontMatrix type confusion (arbitrary JS) critical CVE exact CVE_2024_4367
    PDF font dictionary contains a /FontMatrix array with non-numeric content — CVE-2024-4367 is a high-severity PDF.js vulnerability that exploits a missing type check to execute arbitrary JavaScript during glyph rendering. Affects Firefox < 126 and Thunderbird < 115.11.
  • 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://www.ams.org In document body
    • http://scripts.sil.org/OFLIn document body

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_type1_off0000034e.bin pdf-font-stream PDF embedded font (type1) at offset 0x34E 20447 bytes
SHA-256: 59ce0d86a4e4a57d020a01dc1b3fb339a2e4541f61d54f73c696815231ef59b5
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact entropy is 7.91, consistent with packed or encrypted content.