Malicious PDF — malware analysis report

Static analysis result for SHA-256 69e07e50b4b944de…

MALICIOUS

PDF

35.6 KB Created: 2021-06-27 03:47:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 3a60b4a2c770b40f25a36c32011dfa61 SHA-1: 6e0e47ba7b3334f7faeda434066bd13a570f6254 SHA-256: 69e07e50b4b944de872c9c5007108fc8d96b54c1241fd9bccb442c99ad8167fd
82 Risk Score

Malware Insights

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

The PDF document contains a fake CAPTCHA lure, aiming to trick users into downloading a payload. The embedded URL and numerous other URLs within the document body point to sites offering game hacks and free currency, reinforcing the social engineering aspect. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/robux-hack-ohne-handynummer-und-email-game-hack PDF link annotation
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/earn-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/free-robux-no-scam_GM431946152.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/how-to-hack-a-roblox-password-with-cheat-engine_GM431946152.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/earn-robux-com_GM431946152.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/real-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/free-100-robux_GM431946152.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/how-do-you-download-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/free-tiktok-followers-no-human-verification-or-survey-2021_GM835599320.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/how-to-hack-a-account-password-on-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/free-400-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/roblox-ban_GM431946152.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/roblox-fly-hacks-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/ww-robux_GM431946152.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/coin-master-free-spins-ios-app_GM406889139.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/roblox-hack-2021-deutsch_GM431946152.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/minecraft-handbook_GM479516143.pdfIn PDF document text
    • http://elearning.madagresik.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-download-2021_GM406889139.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_off00003223.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3223 22436 bytes
SHA-256: 9354304f43f0b3046ed6f94a1b36351e8880aeb725b8257d69b8563b9ce9fc3e
font_01_sfnt_off00006452.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6452 19696 bytes
SHA-256: 39fabeebcdba4c8f66db8a9fee81f6b0155e582db35d10753ea584b2dab3239a

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