Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d02d59084c7633…

MALICIOUS

PDF

39.9 KB Created: 2021-05-22 02:42:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-28
MD5: d665bca08243c879b4b91b8d2023d974 SHA-1: 5d413ec6e46bdd82065153fdd18679a93a61aac2 SHA-256: c5d02d59084c76337e277db64f6e6de78ae12bdadd7e2ed0d6111b0f9380bc9b
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9476

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • 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-for-free-on-phone-game-hack In PDF document text
    • https://ourlady-elearning.com/userfiles/files/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/mcpe_GM479516143.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/free-robux-hack_GM431946152.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/roblox-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/coin-master-hack-pro_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003797.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3797 30256 bytes
SHA-256: 2b707aeb02ffc1c2666ddefadefa8f2d2c4be11ba44a56351cc54d695f7581cb
font_01_sfnt_off00007be0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BE0 18032 bytes
SHA-256: 03f24e9b7df13ddf2a61f787c3fe001e8b6ca75c509430b262bdd287118d54e8

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