Malicious PDF — malware analysis report

Static analysis result for SHA-256 eebf98e175c93c70…

MALICIOUS

PDF

35.0 KB Created: 2021-06-22 04:19:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: eb43b4e33c16d0a50301d87a8b5ccea5 SHA-1: c0f7f5eaa706acc2b2f518ad8d1e5312f9fe82b8 SHA-256: eebf98e175c93c700e9b4bfa8f1dda3b6a1387e7f563144aa9adc2d42b0411bf
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document presents itself as a guide to downloading Minecraft for free, containing a prominent link to a suspicious URL. The presence of multiple embedded URLs, including one directly related to the document's purported topic, suggests an attempt to redirect the user to a malicious site. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is a lure for potentially unwanted or malicious software.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/how-to-download-minecraft-for-free-on-pc-game-hack
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/free-robux-accounts_GM431946152.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/how-to-get-free-robux-on-phone-2021_GM431946152.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/tiktok-free-boost_GM835599320.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/coin-master-links-for-today_GM406889139.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/free-robux-com-roblox_GM431946152.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/how-do-you-get-free-robux_GM431946152.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/minecraft-skins-free-girl_GM479516143.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/free-spins-on-coin-master-without-human-verification_GM406889139.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/coin-master-hack-using-cheat-engine_GM406889139.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/minecraft-pocket-edition-free-apk_GM479516143.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/coin-master-sound-daily-free-spins-link-today_GM406889139.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/www-roblox-com-robux_GM431946152.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/free-spins-and-coins-from-coin-master-game_GM406889139.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/coin-master-unlimited-free-spins_GM406889139.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/free-robux-io_GM431946152.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/tiktok-free-login_GM835599320.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/roblox-hack-2021-free-robux-generator-working-method-scratch_GM431946152.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/demon-roblox_GM431946152.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/free-coin-master-coins-and-spins_GM406889139.pdf
    • https://www.johnofrolleston.com/admin/ckfinder/userfiles/files/teach-me-to-hack_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032b9.bin
869658cac00adbd350b745d9b3333915aa4db2f1e2028cd6a77014d1fca62136		 pdf-font-stream PDF embedded font (sfnt) at offset 0x32B9 22740 bytes
font_01_sfnt_off0000650e.bin
69a399aea7e8e9e53aabe761e00b32a0ad386cf270ee829a52c6d6d4a2342596		 pdf-font-stream PDF embedded font (sfnt) at offset 0x650E 18732 bytes

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