Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f53824261ed8594…

MALICIOUS

PDF

8.1 KB Created: 2021-07-06 05:21:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 7a47195100b7d1acc6e1e15450fd9891 SHA-1: 32e92edf118bc7b50f3bcf68d6a73f6b993b0977 SHA-256: 9f53824261ed8594487270049dff10f5b6e3ed8341403b1007722c49ddd108eb
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 them by promising game hacks and free spins. The primary link, http://netcdn.tw/app/406889139/coin-master-hack-free-spins-game-hack, is flagged as a malicious redirector. The document body and embedded URLs suggest a social engineering tactic to drive traffic to potentially malicious sites, likely for further exploitation or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9608

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-free-spins-game-hack In PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/roblox-death-run-hack_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/free-owner-roblox_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/roblox-free-download-for-windows-7_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/how-to-hack-into-a-roblox-account-on-ipad_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/how-to-hack-your-roblox-account-back_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/free-spins-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/coin-master-online-hack-link_GM406889139.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/hacking-into-jd-roblox-account_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/robloxhacks_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/how-to-watch-ads-for-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/free-candy-roblox_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/best-free-roblox-shirt-making-software_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/free-roblox-hair-to-wear_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/how-to-get-any-catalog-item-free-roblox_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/minecraft-games-online-free-no-download_GM479516143.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/free-shirts-roblox-happydaved_GM431946152.pdfIn PDF document text
    • http://library.stipjakarta.ac.id/etd/repository/coin-master-hack-2021-without-human-verification_GM406889139.pdfIn PDF document text

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