Malicious PDF — malware analysis report

Static analysis result for SHA-256 782c6dd0deb60542…

MALICIOUS

PDF

35.9 KB Created: 2021-06-26 04:28:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-16
MD5: 4e8e454b07e914feba0b2ad45d97dfca SHA-1: f9762f5cbe4ac438f31ee03dff977ab76e136f32 SHA-256: 782c6dd0deb60542ffdf4d28e5ebf00e82dc8088a43b79a1b1d8df629e85c63a
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • 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.
  • 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
  • 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.co/app/431946152/roblox-hack-apk-android-2021-game-hack In PDF document text
    • https://elibrary.sttar.ac.id/repository/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/coin-drop-master-free_GM406889139.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/coin-master-unlimited-spin-apk-free-download_GM406889139.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/minecraft-building-hacks_GM479516143.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/coin-master-free-spins-link-quora_GM406889139.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/como-hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/how-to-get-free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/how-to-hack-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/how-to-get-roblox-robux-for-free-without-downloading-apps_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/free-robux-hacks-no-verification_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/how-to-make-a-minecraft-java-server-for-free_GM479516143.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/how-to-get-free-teeth-in-sharkbite-roblox_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/roblox-cheat-engine-62-robux-hack-download_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/hack-xp-net-generators-coin-master_GM406889139.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/how-to-get-gamepasses-for-free-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/free-spins-coin-master-app-iphone_GM406889139.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/how-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/roblox-new-hack_GM431946152.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/moonactive-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • https://elibrary.sttar.ac.id/repository/coin-master-free-spins-link-iphone_GM406889139.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_off0000317a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x317A 23104 bytes
SHA-256: 2a6f2f625b50d17d6e6755327fc4577a4c192786a0eda6e5ed99f407ef6a3c44
font_01_sfnt_off000065b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65B6 19528 bytes
SHA-256: fd4939716c21aab3ea59f6612df6ce70bf10378a6ff70084bd01c8d8536b4c58

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