Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8db8eb9a124dd4…

MALICIOUS

PDF

35.8 KB Created: 2021-07-05 22:03:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-06
MD5: 9e0ddb063412607bb20c819831f605cd SHA-1: 0f88b8c900c8386d22960e091cdaca49f3ad6a20 SHA-256: aa8db8eb9a124dd444269b88560486c9a23da324c8e20bff8eb376fe854a62f1
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.tw/app/406889139/coin-master-daily-free-spin-and-coin-game-hack In PDF document text
    • https://labdagatismk1pundong.com/repository/minecraft-redeem-code-free-2021_GM479516143.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/is-windows-10-minecraft-free_GM479516143.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/download-apps-for-robux_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/free-cash-script-ultimate-driving-roblox_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/how-to-get-free-builders-club-on-roblox-on-phone_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/www-free-roblox-hacks-net_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/roblox-hack-free-robux-hack_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/is-minecraft-free-on-xbox-one_GM479516143.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/free-spin-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/coin-master-free-spin-facebook-link_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/minecraft-net-free_GM479516143.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/roblox-account-hack-pastebin_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/hack-robux-gratis-2021_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/btools-hacks-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.labdagatismk1pundong.com/repository/roblox-hacked-com-2021_GM431946152.pdfIn PDF document text
    • https://labdagatismk1pundong.com/repository/coin-master-hack-org_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_off00003205.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3205 23676 bytes
SHA-256: 1d6e9f1d1d9f86cc1c33935eff5ac985a7e21d2ea768d9c7aca1b4873e475818
font_01_sfnt_off000067a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x67A1 18772 bytes
SHA-256: a1dc96cae1db032b501f6986f060f4567329d4c170f8890bd2780cb4b8189df7

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