Malicious PDF — malware analysis report

Static analysis result for SHA-256 562dd1ff1488553e…

MALICIOUS

PDF

32.7 KB Created: 2021-06-27 07:26:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: c4b2be6eced4012c567178528dbb2e57 SHA-1: df16283ed258acd803f364e7de32db10c07b05e8 SHA-256: 562dd1ff1488553e8539e4c65b8fce0c7d8ccf0dcf83be97b3765684c382bcf8
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/roblox-code-card-free-sin-verification-game-hack PDF link annotation
    • http://sdn4-wates.sch.id/akasia/repository/how-to-get-free-faces-roblox_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/download-hack-in-roblox_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/coin-master-daily-free-coins-link_GM406889139.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/roblox-hack-scripts-pastebin_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/bit-ly-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/dll-hacks-for-roblox-2021_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/oprewards-login_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/hack-para-trollear-roblox_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/roblox-icebreaker-cheats_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-codes-for-roblox-mineing-sim_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-robux-generator-with-color-verification-2021_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/coin-master-free-spins-apk-2021_GM406889139.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-autoclicker-for-roblox_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-money-codes-in-roblox-vehicle-simulator_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/roblox-how-to-get-a-free-dominus-hat-2021-australia_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/cheat-codes-for-roblox-skywars-how-do-u-get-costumes_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/roblox-one-piece-millenium-hack-no-script_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_off00002ab6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB6 21664 bytes
SHA-256: 1d917ae4806b1e702c9505ad966f260b683fc43a68bfd69f38378c073b301b86
font_01_sfnt_off00005a60.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A60 19184 bytes
SHA-256: d3e5f112d68d33de95e6cfabd9b05cca0109da746e31e9174511e8ca5b61488c

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