Malicious PDF — malware analysis report

Static analysis result for SHA-256 9038c05453e5de04…

MALICIOUS

PDF

42.8 KB Created: 2021-05-11 13:49:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 156261ecadc38a9807800f51f02e8c76 SHA-1: 35e488bad7c68cab1142ac94b8f2fe8a8cefb2ba SHA-256: 9038c05453e5de0439a60f499c66e086b8b224c1a2aaec1f4984e625d79fd0fa
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document presents a fake CAPTCHA or human verification prompt to deceive users into interacting with malicious links. The primary external URI, https://netcdn.xyz/app/431946152/free-robux-without-downloading-apps-game-hack, is likely a lure for a scam or malware download. The document's content and embedded links suggest a phishing attempt related to 'free Robux' or game hacks.

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/free-robux-without-downloading-apps-game-hack
    • https://www.zagi.hr/files/claim-free-robux-button_GM431946152.pdf
    • http://zagi.hr/files/moon-static-coin-master-generator-hacks-free_GM406889139.pdf
    • http://zagi.hr/files/coin-master-free_GM406889139.pdf
    • http://zagi.hr/files/how-to-get-free-robux-easy-hack_GM431946152.pdf
    • https://www.zagi.hr/files/you-promised-my-son-free-robux_GM431946152.pdf
    • http://zagi.hr/files/free-roblox-printables_GM431946152.pdf
    • http://zagi.hr/files/minecraft-free-apk_GM479516143.pdf
    • https://www.zagi.hr/files/robux-hack-free-robux_GM431946152.pdf
    • http://zagi.hr/files/spin-hack-for-coin-master_GM406889139.pdf
    • http://zagi.hr/files/get-free-robux-gg_GM431946152.pdf
    • https://www.zagi.hr/files/how-to-get-free-spins-in-coin-master_GM406889139.pdf
    • https://www.zagi.hr/files/free-promo-codes-for-robux_GM431946152.pdf
    • https://www.zagi.hr/files/free-spins-from-coin-master_GM406889139.pdf
    • http://zagi.hr/files/coin-master-hack-pro-gamers_GM406889139.pdf
    • http://zagi.hr/files/universal-minecraft-converter-free_GM479516143.pdf
    • http://zagi.hr/files/coin-master-hack-tool-v1-9-download_GM406889139.pdf
    • https://www.zagi.hr/files/free-rewards-coin-master_GM406889139.pdf
    • https://www.zagi.hr/files/roblox-rape-hack_GM431946152.pdf
    • https://www.zagi.hr/files/coin-master-codes_GM406889139.pdf
    • https://www.zagi.hr/files/http-coin-master-hack-club_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004840.bin
162937e3d36666fd6a4edc11f8925a390773e58adda01363347b017366b11f23		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4840 24356 bytes
font_01_sfnt_off00008033.bin
7dd9be13e4665f5a35086e4b23dd28e6d3ecc39135d95cb28b9ae9c86552181a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8033 19876 bytes

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