Malicious PDF — malware analysis report

Static analysis result for SHA-256 130098d0e3fc295e…

MALICIOUS

PDF

48.3 KB Created: 2021-06-04 04:40:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 666d2ee9922f8b9ab9cad2ea26ebaa1a SHA-1: d80759d69eaef075bdeaa995cef76aa3fea80f0a SHA-256: 130098d0e3fc295eda0250c87362f60c74afd10086a4f056be0c768553b9c12a
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

Heuristics 4

  • 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.
  • 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
  • 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 https://netcdn.online/app/406889139/free-coin-master-spins-no-verification-game-hack PDF link annotation
    • http://elibrary.fl.unud.ac.id/repository/coin-master-hacks-for-iphone_GM406889139.pdfIn PDF document text
    • http://elibrary.fl.unud.ac.id/repository/hack-robux-2021_GM431946152.pdfIn PDF document text
    • http://www.elibrary.fl.unud.ac.id/repository/coin-master-update-2021_GM406889139.pdfIn PDF document text
    • http://elibrary.fl.unud.ac.id/repository/hack-robux_GM431946152.pdfIn PDF document text
    • http://www.elibrary.fl.unud.ac.id/repository/minecraft-pe-free-download-android_GM479516143.pdfIn PDF document text
    • http://elibrary.fl.unud.ac.id/repository/free-robux-instantly_GM431946152.pdfIn PDF document text
    • http://www.elibrary.fl.unud.ac.id/repository/best-free-robux-sites_GM431946152.pdfIn PDF document text
    • http://www.elibrary.fl.unud.ac.id/repository/free-roblox-acc_GM431946152.pdfIn PDF document text
    • http://www.elibrary.fl.unud.ac.id/repository/block-best-robux_GM431946152.pdfIn PDF document text
    • http://elibrary.fl.unud.ac.id/repository/easy-roblox-today_GM431946152.pdfIn PDF document text
    • http://elibrary.fl.unud.ac.id/repository/minecraft-java-edition-code-free_GM479516143.pdfIn PDF document text
    • http://elibrary.fl.unud.ac.id/repository/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • http://www.elibrary.fl.unud.ac.id/repository/roblox-verification_GM431946152.pdfIn PDF document text
    • http://elibrary.fl.unud.ac.id/repository/how-to-get-free-robux-app_GM431946152.pdfIn PDF document text
    • http://www.elibrary.fl.unud.ac.id/repository/coin-master-hack-trick-2021_GM406889139.pdfIn PDF document text
    • http://elibrary.fl.unud.ac.id/repository/free-coin-master-hacks_GM406889139.pdfIn PDF document text
    • http://elibrary.fl.unud.ac.id/repository/master-game_GM406889139.pdfIn PDF document text
    • http://www.elibrary.fl.unud.ac.id/repository/tiktok-free-likes-no-survey_GM835599320.pdfIn PDF document text
    • http://elibrary.fl.unud.ac.id/repository/coin-master-offline-hack_GM406889139.pdfIn PDF document text
    • http://elibrary.fl.unud.ac.id/repository/robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004fdc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4FDC 24020 bytes
SHA-256: 8725a9c1bb7ebad95c47ecde82584a45e8d9a6341772b75af83de4b79f475887
font_01_sfnt_off0000866e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x866E 8676 bytes
SHA-256: e06aca5f85e50ae6cefda302c5299c18ab6d27c174f74f0bb0ee8efa7ccb4468
font_02_sfnt_off00009af9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9AF9 18020 bytes
SHA-256: dd5f5b200dad3ed55c7c2e4b73125e453bab6792b82eb04fea180a40f9e0c889

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