Malicious PDF — malware analysis report

Static analysis result for SHA-256 032e99fc878f911f…

MALICIOUS

PDF

48.9 KB Created: 2021-06-07 15:24:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 945d61bf39ac01265b80f3fc28c677ef SHA-1: 710beacd5a4d089eee244ee9dbad8cce92f4c844 SHA-256: 032e99fc878f911f48a6eb990bc99612f10653f6fce91aec5f319e070de4ea17
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 users into downloading a file. The embedded URL points to a resource likely containing a malicious payload. The document body and heuristics suggest a theme of game cheats or currency, common in phishing and malware distribution campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/roblox-name-chace-hack-game-hack
    • http://schmittmusic.de/images/minecraft-pe-free_GM479516143.pdf
    • http://schmittmusic.de/images/robux-earner_GM431946152.pdf
    • http://schmittmusic.de/images/what-is-robux-in-roblox_GM431946152.pdf
    • http://schmittmusic.de/images/free-robux-2021-wiki_GM431946152.pdf
    • http://schmittmusic.de/images/minecraft-education-free_GM479516143.pdf
    • http://schmittmusic.de/images/free-roblox-wings_GM431946152.pdf
    • http://schmittmusic.de/images/minecraft-free_GM479516143.pdf
    • http://schmittmusic.de/images/how-to-get-free-tiktok-followers-without-downloading-apps_GM835599320.pdf
    • http://schmittmusic.de/images/coin-master-free-blogspot_GM406889139.pdf
    • http://schmittmusic.de/images/free-robux-without-downloading-apps_GM431946152.pdf
    • http://schmittmusic.de/images/microsoft-robux_GM431946152.pdf
    • http://schmittmusic.de/images/haktuts-coin-master_GM406889139.pdf
    • http://schmittmusic.de/images/free-roblox-bodys_GM431946152.pdf
    • http://schmittmusic.de/images/free-minecraft-texture-packs_GM479516143.pdf
    • http://schmittmusic.de/images/smart-lodhi-coin-master-hack_GM406889139.pdf
    • http://schmittmusic.de/images/get-free-robux-com_GM431946152.pdf
    • http://schmittmusic.de/images/free-spins-coin-master-links-thursday-november-28-2021_GM406889139.pdf
    • http://schmittmusic.de/images/pubg-uc-quiz_GM1330123889.pdf
    • http://schmittmusic.de/images/roblox-robux-hack_GM431946152.pdf
    • http://schmittmusic.de/images/moon-active_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004dce.bin
5496762dfe7785e51b3259267f9a5794d2c0822ae7418769c8beff2714430bc3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4DCE 29592 bytes
font_01_sfnt_off00009009.bin
9652fe8ab9fa2d9a0d2ae3bacddad26897ffd67bf45947a63a3cce65a6392623		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9009 3444 bytes
font_02_sfnt_off00009b7a.bin
6f36f46b087fe27e1f3cb00eaa8eaa726e7406a1e22eaac971f5dd3b8e29525f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9B7A 18608 bytes

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