Malicious PDF — malware analysis report

Static analysis result for SHA-256 6248edd36e7fc5d2…

MALICIOUS

PDF

47.3 KB Created: 2021-06-11 03:50:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-05-29
MD5: d26336997ec7001bb0d254d28dd00ddd SHA-1: ed97cddeec00cd370561f03f36a67e3f59c220a8 SHA-256: 6248edd36e7fc5d2cfb6e18829067b519e68380a9abfc3cc6fd571be640a2a5c
160 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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.tw/app/431946152/300--free-robux-game-hack In PDF document text
    • http://libsmpn1balongpo.sch.id//repository/mcpe-client_GM479516143.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/tiktok-free-view-iphone-5c_GM835599320.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/moonactive-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/how-to-get-free-robux-app_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/minecraft-auto-miner-hack_GM479516143.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id/repository/hack-roblox-no-chash_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/what-do-roblox-points-do_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/coin-master-hack-online-no-human-verification_GM406889139.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/free-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/watch-videos-for-robux_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/minecraft-com-free_GM479516143.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/how-to-get-free-minecraft-skins_GM479516143.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id/repository/roblox-script-hack-name_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/coin-monster_GM406889139.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/how-to-get-free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://libsmpn1balongpo.sch.id//repository/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000051df.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51DF 25172 bytes
SHA-256: 252b0b0c52f3054dfdceaecd031257303b5cae6dc783e9735116d2996c95623e
font_01_sfnt_off00008c3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C3C 2820 bytes
SHA-256: 972979c3a46100cf5f8fd289bc6fbd2496ff75fec0e3f6753648c72ec6eba714
font_02_sfnt_off000095dc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95DC 18360 bytes
SHA-256: f7f2a619f87929a01a3d12c0458fe11d862ae93c8c007c7716da643deb5c3de1