Malicious PDF — malware analysis report

Static analysis result for SHA-256 79057d030ffd6be7…

MALICIOUS

PDF

19.2 KB Created: 2021-07-05 15:21:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: f28bc96731a5b78e15975fe0d87c3ff3 SHA-1: 091af7f68c46bd049dfdaf13f7b5481ec77da862 SHA-256: 79057d030ffd6be7f80fd997121afdb14c602e9401fdd78a3abbc2f4aa4e9bc7
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links disguised as game hacks, specifically for Roblox and Coin Master. The primary link, http://netcdn.tw/app/431946152/roblox-jailbreak-hack-deutsch-download-free-game-hack, is identified as a lure for game hacks. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the content suggest a phishing or social engineering attempt to redirect users to potentially malicious sites. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

Heuristics 3

  • PDF links to a 'free generator / game hack' redirector high 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/roblox-jailbreak-hack-deutsch-download-free-game-hack PDF link annotation
    • http://pustaka.smpmuh2yk.sch.id/repository/free-unlimited-robux-hack-working-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/demon-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/coin-master-34-4-hack_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/hacking-roblox-acounts-sites_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/coin-master-3533-android-hack_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/coin-master-hack-version-download-2021-android_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/how-to-get-free-bloxbux-in-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/coin-master-hack-tool-no-survey_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/roblox-com-hack_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/coin-master-free-rare-cards_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/free-admin-roblox-gamew_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/coin-master-free-spins-links-2021_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/free-robux-stream_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/info-roblox-com-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/coin-master-hack-apk-july-29_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/coin-master-hack-ios-12_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/coin-master-hack-using-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/free-coin-master-spins-no-human-verification_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text

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