Malicious PDF — malware analysis report

Static analysis result for SHA-256 37015212c3d48daa…

MALICIOUS

PDF

33.7 KB Created: 2021-07-07 01:31:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 703de067e0bbbdec05256316b3ffac5f SHA-1: 770f525e248fa2c6403640eda407f4351063267f SHA-256: 37015212c3d48daa8c91d17d16901020fe881a289041d39be3cf89960e677069
82 Risk Score

Malware Insights

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

The document presents a fake CAPTCHA lure to deceive the user into interacting with a malicious link. The embedded URL and numerous other similar URLs suggest a phishing or scam campaign aiming to deliver further malware or exploit user interest in game-related cheats. No scripts were extracted, limiting the analysis to the document's visual and URL-based lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/479516143/hacker-minecraft-song-game-hack
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/free-roblox-transprent-pants_GM431946152.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/free-robux-easy_GM431946152.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/free-appsfor-coin-master-daily-rewards_GM406889139.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/minecraft-skins-free-girl_GM479516143.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/how-to-hack-robux_GM431946152.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/coin-master-gold-cards-free_GM406889139.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/free-spins-coin-master-blogspot_GM406889139.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/roblox-a-bizarre-day-hack_GM431946152.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/roblox-gift-card-for-free_GM431946152.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/how-to-ban-a-hacker-on-roblox_GM431946152.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/coin-master-attack-madness-hack_GM406889139.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/free-coins-coin-master-iphone_GM406889139.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/free-robux-no-inpect_GM431946152.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/how-to-hack-someones-roblox-account-2021_GM431946152.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/robux-redeem-hack_GM431946152.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/coin-master-hack-mod-apk-download_GM406889139.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/how-to-get-free-faces-on-roblox-2021_GM431946152.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/rbxoffers-earn-free-robux_GM431946152.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/redeem-clde-roblox-free_GM431946152.pdf
    • http://malarvadibalasangam.org/ckfinder/userfiles/files/free-robux-hack-no-confusion_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fe4.bin
7362dcc268dd270768ce2244fddfe4942207bd40716d93f1365d6ae2c7936435		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2FE4 22232 bytes
font_01_sfnt_off0000613b.bin
37e3c409e679a213a10e0592b8ff177cf348fa9834d19b03b17241e7ed0c948b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x613B 18168 bytes

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