Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cfa7e58450a9a44…

MALICIOUS

PDF

46.9 KB Created: 2021-05-17 19:53:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: bbb1492f69f034256451b2ef8730120d SHA-1: 74e3df517b1376eda0649e3fef655559906b797f SHA-256: 2cfa7e58450a9a44cbbaf91b30bbce433a7bd0d78529c1d18e8361c38df16ac9
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 the user into clicking a link to download a game hack. The embedded URL points to a malicious domain that likely hosts the exploit or malware. The document's content and heuristics strongly suggest a social engineering attack to deliver a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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/431946152/how-to-get-free-admin-in-roblox-game-hack
    • http://bagliomangiapane.it/images/coin-master-games-download-free_GM406889139.pdf
    • http://bagliomangiapane.it/images/how-to-get-free-robux-easy-hack_GM431946152.pdf
    • http://bagliomangiapane.it/images/roblox-catalog-free_GM431946152.pdf
    • http://bagliomangiapane.it/images/how-to-get-free-robux-no-survey_GM431946152.pdf
    • http://bagliomangiapane.it/images/coin-master-free-spins-link-deutsch-ios_GM406889139.pdf
    • http://bagliomangiapane.it/images/easy-robux-hack_GM431946152.pdf
    • http://bagliomangiapane.it/images/official-coin-master-free-spins_GM406889139.pdf
    • http://bagliomangiapane.it/images/ways-to-get-robux_GM431946152.pdf
    • http://bagliomangiapane.it/images/my-roblox-avatar_GM431946152.pdf
    • http://bagliomangiapane.it/images/minecraft-free-minecoins_GM479516143.pdf
    • http://bagliomangiapane.it/images/is-windows-10-minecraft-free_GM479516143.pdf
    • http://bagliomangiapane.it/images/how-to-get-free-robux-games_GM431946152.pdf
    • http://bagliomangiapane.it/images/free-coins-coin-master_GM406889139.pdf
    • http://bagliomangiapane.it/images/free-spins-on-coin-master-game_GM406889139.pdf
    • http://bagliomangiapane.it/images/cheat-codes-for-coin-master_GM406889139.pdf
    • http://bagliomangiapane.it/images/master-coin-free-spin-daily_GM406889139.pdf
    • http://bagliomangiapane.it/images/coin-master-daily-free-spins-link-today-2021-free_GM406889139.pdf
    • http://bagliomangiapane.it/images/coin-master-free-spins-hack_GM406889139.pdf
    • http://bagliomangiapane.it/images/hack-coin-master-apk-mod_GM406889139.pdf
    • http://bagliomangiapane.it/images/earn-free-robux-today_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000467e.bin
3d0610c80480f2400e3a6c545bbdf556333d4de76a6d30a3abbd50d45c7d3ba2		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x467E 27920 bytes
font_01_sfnt_off0000869d.bin
40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x869D 3884 bytes
font_02_sfnt_off00009345.bin
6281493a1953964aeff9d3d6f15ab8f650f124b93de8f4aaa095bbd5d4484a47		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9345 18772 bytes

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