Malicious PDF — malware analysis report

Heuristics 9

• 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
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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/1330123889/how-often-pubg-uc-turn-into-cancer-game-hack.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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/1330123889/how-often-pubg-uc-turn-into-cancer-game-hack In PDF document text

  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/earn-free-spins-coin-master_GM406889139.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/hack-coin-master-site-rssingcom_GM406889139.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/windows-10-minecraft-free-with-java_GM479516143.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/roblox-hacked-accounts-list_GM431946152.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/roblox-infinite-jump-hack-download-2021_GM431946152.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/free-spins-on-coin-master_GM406889139.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/how-to-get-free-admin-on-roblox_GM431946152.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/coin-master-daily-free-spins-link_GM406889139.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/roblox-hacks-winrar_GM431946152.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/minecraft-free-download-mac_GM479516143.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/hack-master-coin-pc_GM406889139.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/how-to-hack-roblox-without-cheat-engine-2021_GM431946152.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/roblox-script-hack_GM431946152.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/coin-master-link-for-spins_GM406889139.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/roblox-cheat-engine-bypass-july-2021_GM431946152.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/coin-master-cheats-without-verification_GM406889139.pdfIn PDF document text
  • http://leads-bd.org/app/webroot/js/ckfinder/userfiles/files/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
  • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

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