Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2b4b517b5a6b2b4…

MALICIOUS

PDF

35.2 KB Created: 2021-06-27 09:37:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 70a0acb25c1e933459d523cb0eec1032 SHA-1: ab748a1754a34ecc9571b8674927b608a599db98 SHA-256: e2b4b517b5a6b2b4b22c8a74ffdaadb4bb17a8b4402718eb29b45e4a9cc29688
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links and a document body that explicitly advertises game hacks and generators for popular titles like Roblox and Minecraft. The primary malicious URL identified is http://netcdn.co/app/431946152/roblox-phantom-forces-hack-million-game-hack, which likely serves as a landing page for a malicious download or exploit. No scripts were extracted, but the document's structure and content strongly indicate a social engineering lure to trick users into downloading potentially harmful software.

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/roblox-phantom-forces-hack-million-game-hack PDF link annotation
    • http://pustaka.fti.unand.ac.id/repository/how-to-hack-a-roblox-account-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id//repository/minecraft-com-free_GM479516143.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/free-robux-obby-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id//repository/free-roblox-website_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id//repository/how-to-get-free-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/how-to-get-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/robux-app_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id//repository/game-give-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/minecraft-free-apk-download-016-0_GM479516143.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/roblox-girl-face-free_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/free-robux-generator_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id//repository/roblox-gift-card-for-free_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/coin-master-mod-apk-unlimited-spin-download-free-full-version_GM406889139.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/minecraft-hacked-client-download_GM479516143.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/robux-hack-500m_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/free-robux-how-to-game-kit_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/roblox-gift-card-code-free-legit_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/roblox-rs16-5-hacks_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/roblox-script-hacks_GM431946152.pdfIn PDF document text
    • http://pustaka.fti.unand.ac.id/repository/free-robux-hack-2021-no-verification_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_off00002fc8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FC8 22812 bytes
SHA-256: 539ec6accbf7606917a6dc9c203b63721fe463b71c3a980a9ce83d513755a4f7
font_01_sfnt_off000062d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62D4 19820 bytes
SHA-256: 528a9d13c090b8627eb1e39e3379304c0f178fa36208bf3c1da61cabfdb27c8f

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