Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9b055415ff68e45…

MALICIOUS

PDF

34.0 KB Created: 2021-07-04 07:16:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: fbc694b80809c7f03489d64f21714d47 SHA-1: c7b492cf4b5f75ad441b8273900fd50d8492b94f SHA-256: f9b055415ff68e457ebcbe20c89df063f9e21b1d9791591fbaecfc014b4ea456
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links to websites offering game hacks and free in-game currency, such as Robux for Roblox and Minecraft downloads. The primary link, http://netcdn.co/app/479516143/minecraft-free-download-pc-game-hack, is flagged as a lure for game hacks. This suggests the document is designed to trick users into visiting malicious sites, likely for financial gain through scams or malware distribution.

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/479516143/minecraft-free-download-pc-game-hack PDF link annotation
    • http://uilis.unsyiah.ac.id/ebook/repository/how-to-get-free-robux-on-quiz_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/how-to-play-minecraft-with-friends-for-free_GM479516143.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/roblox-how-to-hack-other-peoples-accounts_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/do-this-survey-for-free-robux_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/coin-master-daily-free-spins_GM406889139.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/aim-hack-roblox-prison-royal_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/robux-websites-that-work_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/roblox-apk-mod-unlimited-robux-free-download_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/coin-master-hack-spins-ios_GM406889139.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/minecraft-windows-10-edition-free-download_GM479516143.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/free-robux-lmao_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/free-robux-microsoft_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/how-to-hack-roblox-passwords_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/roblox-xd-hacker-cheater-xd_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/roblox-hacking-account-program_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/coin-master-fan-page_GM406889139.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/roblox-hack-download-explode_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/well-hack-net-robux_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/cool-free-roblox-characters-uu_GM431946152.pdfIn PDF document text
    • http://uilis.unsyiah.ac.id/ebook/repository/roblox-aimbot-hack_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_off00003016.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3016 22468 bytes
SHA-256: 0fb61b355c24c32609492fabf5df061444ba6b3b930f9557327ef26819c82b23
font_01_sfnt_off000060f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60F8 18732 bytes
SHA-256: 3ac75ef97daccb8031c4699bb66bbcd8083c0bd9fa73e8cf0728fdae55550a57

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