Malicious PDF — malware analysis report

Static analysis result for SHA-256 6565ded352b62ad3…

MALICIOUS

PDF

34.7 KB Created: 2021-07-05 11:18:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: bf435e310de491211ee90819a7a41084 SHA-1: 124418575d821687b349d14c983ff4e1c22f512f SHA-256: 6565ded352b62ad3084575674a48efac8c28c3d00ac8bc22e1e8988b17b1a484
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 0.9980

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.tw/app/479516143/minecraft-pocket-edition-apk-free-download-game-hack PDF link annotation
    • http://akbidprimahusada.ac.id/elibrary/repository/coin-master-free-cards_GM406889139.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary//repository/haktuts-coin-master-free-spin-link-today_GM406889139.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/free-robux-hack-mpgh_GM431946152.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/how-to-get-2021-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/scaciati-mega-cheat-roblox-2021_GM431946152.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/sk8r-roblox-hack_GM431946152.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/how-to-hack-in-roblox-asasian_GM431946152.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/robux-hack-no-human-verification-real_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary//repository/microsoft-store-robux_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary/repository/roblox-fun-robux_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary//repository/free-spin-links-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary/repository/free-robux-roblox-promo-codes_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary/repository/http-bit-ly-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary/repository/get-free-robux-for-watching-ads_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary/repository/robux-rewards_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary/repository/roblox-restaurant-tycoon-hack_GM431946152.pdfIn PDF document text
    • http://akbidprimahusada.ac.id/elibrary/repository/fre-department-roblox_GM431946152.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/roblox-what-is-e-free_GM431946152.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/roblox-free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • https://akbidprimahusada.ac.id/elibrary/repository/roblox-cheat-fr_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_off000031b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31B0 22196 bytes
SHA-256: fc35bf218f2d34409d055fe73674d835eb6ad0e137696893ffbed8d8ba69674e
font_01_sfnt_off0000627b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x627B 19080 bytes
SHA-256: eaa44c016b5e2fcb469ce124d9c10d2bdfbf681199bf2aba0125fc2b94f64bf0

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