Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e41b0aaf741cd1…

MALICIOUS

PDF

34.4 KB Created: 2021-06-23 00:24:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-21
MD5: fa6ba8d185b53100aa159b38a17ff62f SHA-1: 703ab055875a6731cc07b4fce1b761ab385c02d4 SHA-256: d3e41b0aaf741cd1a4fb653257e453b026562a95236300e78c4a7988379e3190
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/free-robux-no-offer-real-game-hack In PDF document text
    • http://rollipolli.hu/userfiles/files/roblox-script-changer-cheat_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/www-claim-gg-to-earn-free-robux_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/113-hacked-client_GM479516143.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/roblox-heroes-online_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/roblox-clean-hacks-xyz_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/free-robux-mobile-2021_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/how-to-get-free-roebucks-in-roblox_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/free-roblox-accounts-with-100-days_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/how-to-create-a-free-group-on-roblox_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/roblox-game-for-free-online-in-toysrus_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/how-to-get-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/roblox-hack-bee-swarm-simulator-2021_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/coin-master-mod_GM406889139.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/coin-master-free-spin-link-list_GM406889139.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/games-that-can-be-hacked_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://rollipolli.hu/userfiles/files/how-to-play-roblox-bloxburg-for-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_off00002f36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F36 22676 bytes
SHA-256: bed326193e64ee48c20577c28e22b17a1f9b4c02f03b46e965ee84027a0b7203
font_01_sfnt_off00006221.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6221 18788 bytes
SHA-256: 3e319bea637bff24091de3f66a72b845dd9650f36579dd94e66dbbd9b350e814

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