Malicious PDF — malware analysis report

Static analysis result for SHA-256 19171d2546849546…

MALICIOUS

PDF

34.8 KB Created: 2021-07-02 08:28:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-22
MD5: c4f3b4702e8f266c8ef1193f433970af SHA-1: b985d652d6f27b818aa50429ad0be8d9223d5054 SHA-256: 19171d25468495465b7db45c014741f0aedb8f53640209e163ec78a877234640
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/hack-roblox-dragon-ball-rage-anti-kick-game-hack In PDF document text
    • https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/coin-master-2021-free-spins-link_GM406889139.pdfIn PDF document text
    • http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/roblox-kill-aura-hack_GM431946152.pdfIn PDF document text
    • https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/roblox-games-com-free_GM431946152.pdfIn PDF document text
    • http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-on-roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/how-to-get-creative-mode-in-minecraft-server-hack_GM479516143.pdfIn PDF document text
    • http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/how-to-hack-into-peoples-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/coin-master-hack-online-cheat_GM406889139.pdfIn PDF document text
    • https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/how-do-you-hack-roblox-to-have-sex_GM431946152.pdfIn PDF document text
    • https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/free-robux-websites-not-clickbait_GM431946152.pdfIn PDF document text
    • https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/roblox-points_GM431946152.pdfIn PDF document text
    • http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/coin-master-game-hunters-club_GM406889139.pdfIn PDF document text
    • http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/real-robux_GM431946152.pdfIn PDF document text
    • http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/free-robux-for-free_GM431946152.pdfIn PDF document text
    • https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/minecraft-free-exe_GM479516143.pdfIn PDF document text
    • http://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/free-robux-hack-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/roblox-hacks-xray-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/coin-master-hack-no-verification-2021_GM406889139.pdfIn PDF document text
    • https://elearning.man1indramayu.sch.id/__statics/gudangsoal/files/hack-roblox-dragon-ball-rage-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
font_00_sfnt_off0000325d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x325D 22036 bytes
SHA-256: 2a30c51492f7c9a5adc9a6e54e1125bb87140c1f5869c7aba3bccbbac3ddbac9
font_01_sfnt_off000062b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62B5 19048 bytes
SHA-256: 73971111d6b680dcaa815093dfd7bf4a17539116c6431ccd1471ec44bfe86238

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