Malicious PDF — malware analysis report

Static analysis result for SHA-256 4789e689646b3816…

MALICIOUS

PDF

43.3 KB Created: 2021-05-13 06:55:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-20
MD5: 9c95db537cc8ded7386189858d4ea3d5 SHA-1: f4f24a43649bbad9f8483e9ed89e2f7e17b92f72 SHA-256: 4789e689646b38168d6475a6124094ea4c50f357541a96aee1b25da0c07ca0fa
168 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

Heuristics 5

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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 https://netcdn.xyz/app/479516143/minecraft-java-edition-key-free-game-hack In PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/play-coin-master_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/how-to-hack-coin-master-spin-ios_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/robux-free-2021_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/coin-master-link-daily-get-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/coin-master-ids-for-free-spins_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/coin-master-hack-app-download-free_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/free-robux-stream_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/static-moonactive-net-rewards_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/minecraft-hacks-xbox_GM479516143.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/coin-master-hacks-android_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/flip-master-free-coins_GM406889139.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/free-robux-com_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://learningma.alkautsarkrw.web.id/__statics/gudangsoal/files/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • https://education.minecraftIn 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
stream_003_off00004bdf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4BDF 25956 bytes
SHA-256: acb711245e0f4a5a24cadfe0c1fdb6a9ba98f12d1116bc5763cab04164f2e240
font_01_sfnt_off0000869a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x869A 18344 bytes
SHA-256: 334aec38d846e20b2b1a8e37a7c069b76e72c9b1d6d0d2be887913576bf47b02

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