Malicious PDF — malware analysis report

Static analysis result for SHA-256 63b83b4340d2a0db…

MALICIOUS

PDF

35.0 KB Created: 2021-07-06 13:31:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 2b068c49c8011491e8c069ee7ffa3232 SHA-1: b9a2b184af683e637f6b2d896c4a9f5964b716da SHA-256: 63b83b4340d2a0db109d8a751448010f451d17b5ad9f82b3a3c81e136e4e00f6
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document contains multiple links and embedded text related to game hacks and cheats, specifically for Minecraft and Roblox. The primary URL, http://netcdn.tw/app/479516143/how-to-install-minecraft-for-free-game-hack, is identified as a lure for game hacks. The document's structure and content strongly suggest a phishing or social engineering attempt to direct users to malicious websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/479516143/how-to-install-minecraft-for-free-game-hack PDF link annotation
    • https://akbidprimahusada.ac.id/elibrary/repository/how-to-hack-on-roblox-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary/repository/minecraft-116-free-download_GM479516143.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/hacks-para-juegos-de-roblox_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary//repository/get-free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary//repository/roblox-rape-hack_GM431946152.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/roblox-how-to-get-free-faces-2021_GM431946152.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/op-rewards-roblox-hack_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary//repository/free-robux-today_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary/repository/coin-master-cheat-codes_GM406889139.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary/repository/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary/repository/roblox-meep-city-free-games_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary//repository/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/how-to-hack-roblox-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary//repository/minecraft-windows-10-edition-free-with-java_GM479516143.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/roblox-brick-cars-cheats_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary//repository/moon-active-games_GM406889139.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary/repository/when-was-minecraft-free_GM479516143.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary//repository/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/roblox-robux-hack-tool-apk_GM431946152.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/how-to-get-synapse-roblox-free_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003423.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3423 22568 bytes
SHA-256: f1096ab6c49984c95d99cfe74ff54951f947a642f0b96060db5381ad9b4daf46
font_01_sfnt_off00006654.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6654 18236 bytes
SHA-256: 80f9f3d3ddf194f52a7f748b585b61cd03432ad9892c468e4e347190080fe4ef

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