Malicious PDF — malware analysis report

Static analysis result for SHA-256 5bc93457c3fefa57…

MALICIOUS

PDF

44.1 KB Created: 2021-06-03 19:33:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 5572bdaa469701a0d847bc34f42e0f49 SHA-1: fafb4ad0233a64e25df9afc8db6fdf96a63b6440 SHA-256: 5bc93457c3fefa57e5edf1d43bac32d40a51215a93d7e3c7d79d988d4212ceec
82 Risk Score

Malware Insights

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

The sample is a PDF document that uses a fake CAPTCHA lure to entice users to click on a link. This link, 'https://netcdn.online/app/406889139/coin-master-claim-free-spins-game-hack', likely leads to the download of a malicious 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/406889139/coin-master-claim-free-spins-game-hack PDF link annotation
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/tiktok-free-online_GM835599320.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-draw-2-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/unlimited-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/how-do-u-hack-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/100-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/freegames911com-coinmastertipsandcheats2021freecoinsandspins_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/minecraft-free-no-virus_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-coin-master-spins-no-human-verification_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/hacks-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/coin-master-fan-hack_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/hack-coin-master-using-cheat-engine_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/minecraft-account-hacked_GM479516143.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/free-robux-real-working_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/como-generar-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/how-do-i-get-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning.mtsdditakkalasi.com/__statics/gudangsoal/files/coin-master-free-spins-link-2021-today_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
stream_004_off000050e2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50E2 24884 bytes
SHA-256: 12be7e538264c29f90c148d1cc415e11972351ff1914226f5a42ed26794a3a55
font_01_sfnt_off00008a1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A1D 18220 bytes
SHA-256: 4508a7247666ecd7f475af3e2510e2d7297b60fda6d209b486c2dc6be28a63e8

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