Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e1e046c6e0ca8a0…

MALICIOUS

PDF

34.1 KB Created: 2021-06-20 09:31:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 8caa135be82134f2aa118effb9dba6da SHA-1: 1c8937e413c94330e0be2f104c1ed11322cba340 SHA-256: 6e1e046c6e0ca8a0f10f0d8ed9ebeace931d8a5f9484bfa2a2b8f73075cd5093
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.co/app/431946152/how-to-hack-roblox-accounts-on-ipad-2021-game-hack PDF link annotation
    • http://perpus.masda.ac.id//repository/coin-master-apk-hack-32_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/good-uniform-making-software-free-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/how-to-get-free-coins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/how-to-hack-and-get-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/how-to-get-free-clothes-on-roblox-without-builders-club_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/free-spin-coin-master-twitter_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/free-aimbot-for-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/coin-free-spin_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/hack-para-obtener-robux_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/tiktok-free-fans-and-likes_GM835599320.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/hack-client_GM479516143.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/cute-free-roblox-clothes_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/how-to-use-tiktok-for-free_GM835599320.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/spin-rewards-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/coin-master-game-hunter_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/www-coin-master-hack-com_GM406889139.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_off00002f40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F40 21256 bytes
SHA-256: c93b09312c524d7a616801fc06da61ef563b80642045e6bbb649e2685485f55c
font_01_sfnt_off00005d9b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D9B 19816 bytes
SHA-256: 425c28c5a570f4813f083de33fc4bc13c458ab8481a114028a9d71ad048eb418

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