Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e766a7425325275…

MALICIOUS

PDF

198.6 KB Created: 2021-07-05 21:57:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-27
MD5: ca8faa954a64d56bc2e2837af23a76f5 SHA-1: fc862c5c41e79a8b98c9c25f25e41e6a03d44898 SHA-256: 6e766a7425325275d2fccee8984935430824862137f6fbb8887e6e0b03e854b3
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains embedded links that redirect to a website promoting 'free generator / game hack' and 'free accounts'. This is a common lure used in phishing and scam campaigns to trick users into visiting potentially malicious sites. The heuristics confirm the presence of malicious redirector links and a game hack lure.

Machine Learning

  • Nyx PDF Classifier clean score 0.0814

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/1094591345/pokemon-go-free-accounts-2021-game-hack In PDF document text
    • http://library.umla.ac.id/repository/minecraft-app-store-free_GM479516143.pdfIn PDF document text
    • http://library.umla.ac.id/repository/how-to-get-minecraft-for-free-on-your-phone_GM479516143.pdfIn PDF document text
    • http://library.umla.ac.id//repository/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://library.umla.ac.id/repository/how-to-get-free-money-roblox-vehicle-simulator_GM431946152.pdfIn PDF document text
    • http://library.umla.ac.id//repository/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • http://library.umla.ac.id/repository/free-robux-no-human-verification-no-survey-no-download_GM431946152.pdfIn PDF document text
    • http://library.umla.ac.id/repository/mobihack-net-roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://library.umla.ac.id/repository/how-to-get-bighead-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://library.umla.ac.id//repository/coin-master-for-pc-free-download_GM406889139.pdfIn PDF document text
    • http://library.umla.ac.id/repository/minecraft-116-apk-download_GM479516143.pdfIn PDF document text
    • http://library.umla.ac.id/repository/free-coin-and-spin-link_GM406889139.pdfIn PDF document text
    • http://library.umla.ac.id//repository/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://library.umla.ac.id/repository/robux-builders-club-hack_GM431946152.pdfIn PDF document text
    • http://library.umla.ac.id/repository/free-minecraft-severs_GM479516143.pdfIn PDF document text
    • http://library.umla.ac.id//repository/free-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://library.umla.ac.id/repository/tiktok-free-view-jelly-fruit_GM835599320.pdfIn PDF document text
    • http://library.umla.ac.id/repository/old-roblox-accounts-for-free_GM431946152.pdfIn PDF document text
    • http://library.umla.ac.id//repository/coin-master-daily-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
    • http://library.umla.ac.id//repository/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • http://library.umla.ac.id/repository/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text

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