Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f761b09d81b73ae…

MALICIOUS

PDF

42.6 KB Created: 2021-05-16 11:01:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: eabde083e6162221be0804553324cba0 SHA-1: e8690d30a5447da16d117b8af563eaab9c904ece SHA-256: 6f761b09d81b73aeae74714168a55bbd04fd5fe9fc5d3e4bd6398182f73713c7
82 Risk Score

Malware Insights

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

The sample is a PDF document that displays a fake CAPTCHA or human verification prompt to trick users into clicking a download link. The document body and extracted URLs suggest a lure related to game hacks or cheats, specifically for Roblox. The primary URL points to a resource that likely serves a malicious payload.

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/431946152/roblox-free-hair-codes-game-hack
    • http://sportagon.be/images/roblox-hack-download-pc_GM431946152.pdf
    • http://sportagon.be/images/coin-master-game-free-download_GM406889139.pdf
    • http://sportagon.be/images/minecraft-esp_GM479516143.pdf
    • http://sportagon.be/images/minecraft-nintendo-switch-digital-code-free_GM479516143.pdf
    • http://sportagon.be/images/game-hunters-coin-master-free-spins_GM406889139.pdf
    • http://sportagon.be/images/adopt-me-roblox-hacks_GM431946152.pdf
    • http://sportagon.be/images/coin-master-free-400-spin-link_GM406889139.pdf
    • http://sportagon.be/images/roblox-promo-codes-for-free-robux_GM431946152.pdf
    • http://sportagon.be/images/free-coin-master-spins-link-facebook_GM406889139.pdf
    • http://sportagon.be/images/free-coins-coin-master-ios_GM406889139.pdf
    • http://sportagon.be/images/moonactive-coin-master-hack_GM406889139.pdf
    • http://sportagon.be/images/minecraft-116-free_GM479516143.pdf
    • http://sportagon.be/images/roblox-bux-free_GM431946152.pdf
    • http://sportagon.be/images/coin-master-free-spin-download_GM406889139.pdf
    • http://sportagon.be/images/how-to-play-minecraft-for-free_GM479516143.pdf
    • http://sportagon.be/images/free-cheat-codes-for-coin-master_GM406889139.pdf
    • http://sportagon.be/images/how-do-you-get-free-robux_GM431946152.pdf
    • http://sportagon.be/images/can-i-get-minecraft-for-free_GM479516143.pdf
    • http://sportagon.be/images/free-games-coin-master_GM406889139.pdf
    • http://sportagon.be/images/how-to-get-1-million-robux-for-free-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004914.bin
0ba3459290e03dd70227998c94d921cd581046062d513b9017e469c9d69eac16		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4914 25412 bytes
font_01_sfnt_off00008386.bin
0c34ab104977070915151016e24e35187f8354093682c5401cbbc3770fde4f5e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8386 18472 bytes

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