Malicious PDF — malware analysis report

Static analysis result for SHA-256 7db4c7070c10bf17…

MALICIOUS

PDF

34.7 KB Created: 2021-06-26 06:50:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: f5898a901a4e298c9ac918cf74da781f SHA-1: 7c3aeb815b23be4865346905885e23b39876159a SHA-256: 7db4c7070c10bf17d8e2d109c59b2f68710c4bd0574c38f0ce5e340cd3ceabda
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a game hack lure to trick users into clicking a link. The primary link, http://netcdn.co/app/431946152/how-to-get-a-free-radio-on-roblox-game-hack, redirects to a website likely hosting malicious content. The document's structure and embedded URLs strongly suggest a phishing or malware distribution attempt.

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-get-a-free-radio-on-roblox-game-hack PDF link annotation
    • http://pustakafpsi.uin-suska.ac.id//repository/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/roblox-speed-hack-mega_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/coin-master-free-spins-link-blogspot-today_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/free-admin-roblox-uncopylocked_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/how-to-cheat-on-roblox-lumber-tycoon-2_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/100-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/coin-master-rewards-free-spins_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/coin-master-hacks-for-spins_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/android-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/roblox-cbro-free-money-codes_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/coin-master-link_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/withdraw-robux_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/roblox-moderators_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/rare-free-links-to-coin-master_GM406889139.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/what-day-does-john-doe-hack-roblox_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id//repository/how-to-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • http://pustakafpsi.uin-suska.ac.id/repository/hack-game-plus-com-coin-master_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_off000031d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31D7 21792 bytes
SHA-256: 29bfdcf46152782a4bd2fb67418baa3183e3e3166dca4b0e4b10bfa0aff1d471
font_01_sfnt_off000061d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61D7 19212 bytes
SHA-256: f1d0ff67e79f94a7c9ac5ebb30c52d781a0b89813902419e555773e0a225569d

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