Malicious PDF — malware analysis report

Static analysis result for SHA-256 20203b6aa482cae1…

MALICIOUS

PDF

19.1 KB Created: 2021-07-06 22:53:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 6073acf31c87dc3884eab62812092dcf SHA-1: 9ed50d72772756dc2ac61b98a39a8932d3150707 SHA-256: 20203b6aa482cae181b65ab7f6cfc78eaa890f17077d15233f96173a4abac77a
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links designed to lure users into clicking on what appears to be a 'Coin Master Hack' or 'Robux Generator'. The primary link, http://netcdn.tw/app/406889139/coin-master-hack-uk-game-hack, is identified as malicious redirector infrastructure. The document body and heuristics indicate a social engineering tactic to drive traffic to potentially malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9970

Heuristics 3

  • 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.
  • 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/406889139/coin-master-hack-uk-game-hack In PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/roblox-troll-outfits-free_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/hack-ninja-assassin-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/code-to-get-400-robux-free_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/how-do-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/free-robux-generator-for-kids_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/free-nike-clothes-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-game-2021_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/roblox-placerebuilder-cheat-engine-ban_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/today-coin-master-spin-free_GM406889139.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/roblox-broken-bones-2-cheat_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/future-free-roblox-exploit_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/robux-sites_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/roblox-girl-avatar_GM431946152.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/free-coins-and-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.miriyadlussholihien.sch.id/__statics/gudangsoal/files/roblox-elysian-level7-hack-exploit-new_GM431946152.pdfIn PDF document text

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