Malicious PDF — malware analysis report

Static analysis result for SHA-256 941edd003a33acda…

MALICIOUS

PDF

44.1 KB Created: 2021-06-03 08:53:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-12
MD5: d63a135d90ab8e0047a7d83a543226e1 SHA-1: 74faf61db1e5bd35c76ac7e727373a20ff607f6c SHA-256: 941edd003a33acda9c81c7845d92143736c48acb9e55d244af7e4ec7cc08baaa
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.online/app/406889139/moon-static-coin-master-generator-hacks-free-game-hack In PDF document text
    • http://e-library.akbid-purworejo.ac.id/repository/links-for-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id/repository/minecraft-toys-for-free_GM479516143.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id//repository/free-coin-master-spins-daily_GM406889139.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id//repository/cute-free-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id//repository/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id//repository/minecraft-realms-free-trial_GM479516143.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id//repository/free-robux-group-payouts_GM431946152.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id/repository/free-coin-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id/repository/robuxglobalcom_GM431946152.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id/repository/feb-23-2021-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id//repository/best-way-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id/repository/free-robux-giveaway_GM431946152.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id/repository/free-spins-coin-master-site-wwwquoracom_GM406889139.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id/repository/ultimate-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id//repository/how-to-get-free-spins-on-coin-master-facebook_GM406889139.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id/repository/coin-master-hack-facebook_GM406889139.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id//repository/hack-coin-pro-coin-master_GM406889139.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id/repository/robloxfun-com-robux_GM431946152.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id/repository/coin-master-hack-ios-no-human-verification_GM406889139.pdfIn PDF document text
    • http://e-library.akbid-purworejo.ac.id//repository/free-robux-generator-no-human-verification-2021_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
stream_004_off00005035.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5035 25880 bytes
SHA-256: 6730c80db8e49483d4ec913e06055263623878d42d9a591fb49f5a71ee989970
font_01_sfnt_off00008ae7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8AE7 17880 bytes
SHA-256: 12faecc5962592d277de3e4fe4bc4692cb4c94937b2745323735b12f582b8c4f

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