Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc3e9094180d5686…

MALICIOUS

PDF

44.4 KB Created: 2021-06-04 08:10:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 571b075eeb7b1e9d1be83c5c51ddedc0 SHA-1: 651884e481bd7b424df160d03805d9f754a60026 SHA-256: fc3e9094180d5686e74eecbb8a734faba6de8d80d4860d34209ecf7b50881164
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a fake CAPTCHA and a download button, designed to trick users into downloading a malicious file. The embedded URI points to a suspicious URL, likely serving as the download source for a secondary payload. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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.online/app/431946152/roblox-hack-2021-game-hack
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/coin-master-free-soins_GM406889139.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/free-minecraft-games-for-kids_GM479516143.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/free-hair-roblox_GM431946152.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/how-to-get-minecoins-in-minecraft-for-free_GM479516143.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/minecraft-free-trial_GM479516143.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/how-to-get-robux-for-free-2021_GM431946152.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-promo-codes_GM431946152.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/coin-master-free-spin-and-coins-links_GM406889139.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/get-free-roblox_GM431946152.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/how-to-hack-and-get-free-robux_GM431946152.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/coin-master-free-spins-2021_GM406889139.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/da-hood-roblox-hack_GM431946152.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/play-minecraft-for-free_GM479516143.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/robux-com-free_GM431946152.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/roblox-sign-in-free_GM431946152.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/how-to-hack-to-get-robux_GM431946152.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/coin-master-free-spins-and-coins-2021_GM406889139.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/games-that-give-you-free-robux_GM431946152.pdf
    • http://lms.ma-almuddatsiriyah.sch.id/__statics/gudangsoal/files/conseguir-robux-en-roblox-hack-website_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005126.bin
0168ce4fe752e375dbac70a3b5ff3d2776ec8a208b11aae2c0bcc7a4c34462c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5126 25140 bytes
font_01_sfnt_off000089b4.bin
2941163c9806e22b58ea5552aa71059231a9f2c3bbffbca0ecd460ca17501cff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89B4 18584 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.