Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: http://netcdn.tw/app/431946152/free-robux-no-verification-no-download-2021-game-hack.
• 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 http://netcdn.tw/app/431946152/free-robux-no-verification-no-download-2021-game-hack In PDF document text

  • http://pustaka.ust.ac.id/repository/cm-spin-link_GM406889139.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/free-roblox-accounts-with-limiteds_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/roblox-hack-forum_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/how-to-get-admin-commands-on-roblox-without-cheat-engine_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/how-to-use-cheat-engine-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/paragon-hack-roblox_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/roblox-com-free-gift-card_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/free-roblox-gift-card-codes-2021-no-human-verification_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/free-robux-no-human-verify_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/roblox-building-games-free_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/how-to-hack-into-your-own-roblox-account_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/coin-master-pet-food-free_GM406889139.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/how-to-get-free-robux-youtube-glitch_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/how-do-you-get-free-roebucks_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/coin-master-daily-free-spins-link-facebook_GM406889139.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/coin-master-free-spins-link-today-instagram_GM406889139.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/minecraft-pe-hacked-client-download_GM479516143.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/www-roblox-com-free-robux_GM431946152.pdfIn PDF document text
  • http://pustaka.ust.ac.id/repository/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
  • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

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