Malicious PDF — malware analysis report

Static analysis result for SHA-256 70d9d9de72760325…

MALICIOUS

PDF

34.6 KB Created: 2021-06-17 22:08:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: e8c2bf76c29c882a4940c544c24a33ef SHA-1: 3caa5fe09791d3262dc461a8626f9e386a83811b SHA-256: 70d9d9de727603255c6b1f79e7d399675ac8e18e0ca0528b03fbd288a03b25e4
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a game hack lure to entice users to click on embedded links. The primary link, http://netcdn.co/app/431946152/how-to-get-free-purple-items-on-billionaire-simulator-roblox-game-hack, and numerous others hosted on sttlets.education, suggest a phishing or malware distribution campaign. The ML classifier strongly supports the malicious verdict.

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-free-purple-items-on-billionaire-simulator-roblox-game-hack PDF link annotation
    • http://sttlets.education/senayan//repository/how-to-get-free-pets-in-adopt-me-roblox_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/coin-master-free-rewards-link_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/wurst-client-download_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-robux-laptop_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/robux-hack-tools_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/coin-master-links-to-get-free-spins_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/roblox-free-hair-codes_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-robux-no-verification-required_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/minecraft-free-exe_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/to-find-people-ingame-in-roblox-cheat_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://sttlets.education/senayan//repository/free-800-robux_GM431946152.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/free-minecraft-account_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/how-to-get-creative-mode-in-minecraft-server-hack_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • http://sttlets.education/senayan/repository/roblox-gang-rape_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ee2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EE2 22292 bytes
SHA-256: ef5407d8f6679f46eb9c889f628213963c93382884291681d35a8b9f6e88749a
font_01_sfnt_off00006057.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6057 19768 bytes
SHA-256: 5d87220b3ce96754b7a3f6f64ce7c73a72e104c0b0aaf97f06c3f886ace3fa18

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