Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef5c8f6c2b128cf9…

MALICIOUS

PDF

35.1 KB Created: 2021-06-19 04:46:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 716f2c5669d2f54efc2758e517dd935b SHA-1: c025f50e1ad2267461eb164cafd3db109e4a612c SHA-256: ef5c8f6c2b128cf9f3a366e11c1e0789ada0c0939e5e1811bfb2d486979ea2b1
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document employs a lure related to game hacking, specifically for Roblox and Coin Master, to entice users to click on embedded malicious URLs. The document body and heuristics indicate a redirection to external sites that likely host further malicious content or exploits. The primary goal appears to be directing users to potentially harmful resources under the guise of providing game cheats or generators.

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-players-on-ipad-game-hack PDF link annotation
    • http://gts.edu.gh/library/repository/free-robux-gift-card-generator_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-free-draw-bot_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/haktutsin-2021-09-coinmaster50freespinandcoinlinkhtml-m-1_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/coin-master-hack-mod-game-download_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/dantdm-robloxminecrafttycoonjailbreakfailyoutube20212021hacked_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/spin-and-coin-link_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-hack-for-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/minecraft-pe-apk_GM479516143.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/robloxmatchcom-free-robux_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/hack-coin-master-android_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-gift-card-for-free_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/coin-master-app-hack_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/get-free-tiktok-followers_GM835599320.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/coin-master-free-spins-apk_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/coin-master-free-spins-whatsapp-link_GM406889139.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-script-hack-admin_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/roblox-shenanigans-mod-cheat-codes_GM431946152.pdfIn PDF document text
    • http://gts.edu.gh/library/repository/http-hack-roblox_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_off00002ee9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EE9 22996 bytes
SHA-256: 3955e9ad02ddf328359059e6269090c092c3a3d3767ccbb67d954d1ffd47cc92
font_01_sfnt_off000062a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62A1 19504 bytes
SHA-256: bf2e83bb7135ba2d2483975edac858fce8158bce413325528d627936b1b6bc72

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