Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• 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: https://netcdn.online/app/431946152/free-robux-no-verify-2021-game-hack.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.online/app/431946152/free-robux-no-verify-2021-game-hack In PDF document text

  • http://lib.smpn1bambanglipuro.sch.id/repository/apps-for-free-robux_GM431946152.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/coin-master-free-spins-link-ios_GM406889139.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/best-free-minecraft-server-hosting-reddit_GM479516143.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/coin-master-free-spin-today_GM406889139.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/roblox-help-free-robux_GM431946152.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/legit-free-spins-coin-master_GM406889139.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/how-many-villages-are-in-coin-master_GM406889139.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/robuxmatchcom-free-robux_GM431946152.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/easy-robux-generator_GM431946152.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/coin-master-free-spins-and-cards_GM406889139.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/coin-master-hack-ios-app_GM406889139.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/coin-master-free-spins-hack-2021_GM406889139.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/minecraft-free-download-mac-full-version_GM479516143.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/how-to-download-minecraft-for-free-on-mac_GM479516143.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/how-to-hack-roblox-passwords_GM431946152.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/como-hackear-coin-master-en-espaol_GM406889139.pdfIn PDF document text
  • http://lib.smpn1bambanglipuro.sch.id/repository/mcpe-master-hack-coins_GM406889139.pdfIn PDF document text
  • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

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