Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d6082009028c1bf…

MALICIOUS

PDF

41.6 KB Created: 2021-05-12 07:00:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: ca7265d490d399c497ce35bac57d2b5d SHA-1: aa73c1e1526b4a672247ee7f627ec0a56e0fb016 SHA-256: 7d6082009028c1bfe3135f6f229520ad8b501c964971308d773cef1008e3ae9b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document presents a fake CAPTCHA or human verification prompt to trick the user into clicking a link, likely to download a second-stage payload. The embedded URL and numerous other URLs found within the document body point to resources related to game cheats and hacks, suggesting a lure for potentially malicious downloads. No scripts were extracted from this sample, limiting the ability to determine specific execution methods.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/406889139/coin-master-free-daily-spins-game-hack
    • http://stikesyahoedsmg.ac.id/Digital_Library/repository/how-to-hack-to-get-robux_GM431946152.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library//repository/how-to-get-free-robux-by-playing-games_GM431946152.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library//repository/spin-free-coin-master_GM406889139.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library//repository/how-to-get-free-robux_GM431946152.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library//repository/coin-master-free-spins-link-2021-hack_GM406889139.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library//repository/coin-master-daily-free-coins-link_GM406889139.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library/repository/free-robux-generator_GM431946152.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library//repository/free-spin-link-in-coin-master-game_GM406889139.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library/repository/master-game_GM406889139.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library//repository/free-robux-no-verification-or-survey_GM431946152.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library/repository/cone-master_GM406889139.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library/repository/free-robux-no-offers_GM431946152.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library//repository/minecraft-realms-free-trial_GM479516143.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library/repository/cm-spin-link_GM406889139.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library/repository/codes-to-get-free-robux_GM431946152.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library/repository/coin-master-hack-download-2021_GM406889139.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library//repository/how-to-hack-roblox-accounts-2021_GM431946152.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library/repository/master-coin-hack-apk_GM406889139.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library/repository/how-to-get-to-village-3-in-coin-master_GM406889139.pdf
    • http://stikesyahoedsmg.ac.id/Digital_Library//repository/spinuri-gratis-coin-master_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a25.bin
3afc623d8aad52cbbc20f4cbff6476a7e9cdfa63d2183fa55c8057ab2b540ebd		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A25 23816 bytes
font_01_sfnt_off0000800c.bin
5c3cefeee4a209382fad51155f4ab19c665f35dca270fe96ae1b58d23c3d8f95		 pdf-font-stream PDF embedded font (sfnt) at offset 0x800C 18308 bytes

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