Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7dbae23bb862aa…

MALICIOUS

PDF

39.8 KB Created: 2021-05-13 04:37:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-18
MD5: cdcd33085e40ff49573b8f12616d66a5 SHA-1: 21ccddf2fe04ac4db952d6fbe5d0d6357f92c61c SHA-256: cd7dbae23bb862aa486c7338cdaaff0d01624a59fb00b56bc0bd02af53f37a2b
70 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0128

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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 https://netcdn.xyz/app/479516143/minecraft-hacked-client-1.12-2-game-hack In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000378a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x378A 24792 bytes
SHA-256: 3ec85db7ccfbe9bca82707d6423ff674cc86a68cd08bdeb0b7598014f116318e
font_01_sfnt_off000070a0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70A0 2824 bytes
SHA-256: 61b3a573627d4f03d30684157e1627da3b4499cefab0fdf17b45999135b0250b
font_02_sfnt_off00007a46.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A46 18280 bytes
SHA-256: 63e0cf813ec8bc820137db86bcb3617ef7dd45146c6ac783cccfa5d71b9aece7

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