Malicious PDF — malware analysis report

Static analysis result for SHA-256 bd2bf0f271390143…

MALICIOUS

PDF

45.4 KB Created: 2021-06-09 13:30:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 18969c4fcd5d4a36f2fc4b166990e0db SHA-1: 0010ef65d0ec5467343abdfebfca5f7fbc13183a SHA-256: bd2bf0f271390143c900f060aefef4ef12808296a80cbb48437e1b3a6c6e919e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to websites offering game hacks and generators, such as 'Roblox Ninja Simulator Hack'. These links are designed to lure users into clicking them, likely leading to further malicious content or downloads. The presence of multiple game-related lures and the high ML classifier score indicate a malicious intent to trick users.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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 https://netcdn.tw/app/431946152/roblox-ninja-simulator-hack-game-hack PDF link annotation
    • http://librarystkippgribl.com/repository/free-coins-on-coin-master-generator_GM406889139.pdfIn PDF document text
    • http://librarystkippgribl.com//repository/minecraft-ps3-free-download_GM479516143.pdfIn PDF document text
    • http://librarystkippgribl.com/repository/minecraft-cheats-pc-2021_GM479516143.pdfIn PDF document text
    • http://librarystkippgribl.com/repository/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
    • http://librarystkippgribl.com/repository/how-to-get-free-snacks-on-coin-master_GM406889139.pdfIn PDF document text
    • http://librarystkippgribl.com/repository/free-spins-coin-master-daily_GM406889139.pdfIn PDF document text
    • http://librarystkippgribl.com//repository/roblox-font-free_GM431946152.pdfIn PDF document text
    • http://librarystkippgribl.com/repository/how-to-earn-robux_GM431946152.pdfIn PDF document text
    • http://librarystkippgribl.com/repository/free-minecraft-java-account_GM479516143.pdfIn PDF document text
    • http://librarystkippgribl.com/repository/how-to-pubg-uc-transfer_GM1330123889.pdfIn PDF document text
    • http://librarystkippgribl.com/repository/how-to-hack-coin-master-ios-jailbreak_GM406889139.pdfIn PDF document text
    • http://librarystkippgribl.com/repository/coin-master-free-spins-2021-app-download_GM406889139.pdfIn PDF document text
    • http://librarystkippgribl.com//repository/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://librarystkippgribl.com//repository/change-roblox-username-free_GM431946152.pdfIn PDF document text
    • http://librarystkippgribl.com/repository/free-robux-microsoft_GM431946152.pdfIn PDF document text
    • http://librarystkippgribl.com//repository/how-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://librarystkippgribl.com/repository/get-coin-master-spins-free_GM406889139.pdfIn PDF document text
    • http://librarystkippgribl.com/repository/coin-master-hack-download-ios_GM406889139.pdfIn PDF document text
    • http://librarystkippgribl.com//repository/coin-master-hack-game_GM406889139.pdfIn PDF document text
    • http://librarystkippgribl.com/repository/coin-master-real-hack_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_off0000511f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x511F 25668 bytes
SHA-256: e2d26f49243a088afac5f713ded070374452d2db42754c2a6f99bba39d071860
font_01_sfnt_off00008d05.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D05 18992 bytes
SHA-256: 8e8390b47451521df1d622cc42e9a42df1c0c6faeed7c6d032e0464ca070d008

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