Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc484fe2cb744562…

MALICIOUS

PDF

48.0 KB Created: 2021-06-08 13:22:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 8ac16b97cd061e4825f15aa2de8ae9f3 SHA-1: 636147bd54643ba28272ee92f15e6f3725e79069 SHA-256: cc484fe2cb7445629e44b5e838b1f296456f4644011ffa005e713045db8c28b1
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains a fake CAPTCHA lure, aiming to trick users into downloading a malicious file. It references external URLs that likely host the secondary payload. The document's content and embedded URLs suggest a social engineering tactic to exploit user interest in game-related exploits or cheats.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9871

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/how-to-make-a-roblox-hack-in-visual-studio-game-hack
    • http://huounaixunghe.com/images/free-robux-pins_GM431946152.pdf
    • http://huounaixunghe.com/images/free-spin-app-coin-master_GM406889139.pdf
    • http://huounaixunghe.com/images/roblox-dominus-free_GM431946152.pdf
    • http://huounaixunghe.com/images/get-free-spins-coin-master-link_GM406889139.pdf
    • http://huounaixunghe.com/images/tiktok-followers-for-free_GM835599320.pdf
    • http://huounaixunghe.com/images/my-roblox-account-was-hacked_GM431946152.pdf
    • http://huounaixunghe.com/images/coin-master-free-spins-may-11-2021_GM406889139.pdf
    • http://huounaixunghe.com/images/adopt-me-roblox-hacks_GM431946152.pdf
    • http://huounaixunghe.com/images/coin-master-free-spins-and-coins-blogspot_GM406889139.pdf
    • http://huounaixunghe.com/images/how-to-hack-roblox_GM431946152.pdf
    • http://huounaixunghe.com/images/free-robux-hack-real-2021_GM431946152.pdf
    • http://huounaixunghe.com/images/ultimate-free-spins-coin-master_GM406889139.pdf
    • http://huounaixunghe.com/images/free-spins-coin-master-2021-no-verification_GM406889139.pdf
    • http://huounaixunghe.com/images/minecraft-java-edition-for-free_GM479516143.pdf
    • http://huounaixunghe.com/images/blogger-coin-master-free-spins_GM406889139.pdf
    • http://huounaixunghe.com/images/free-robux-no-verification-needed_GM431946152.pdf
    • http://huounaixunghe.com/images/free-robux-generator-2021-no-survey_GM431946152.pdf
    • http://huounaixunghe.com/images/optifine-minecraft-pe_GM479516143.pdf
    • http://huounaixunghe.com/images/free-robux-promo-codes-2021_GM431946152.pdf
    • http://huounaixunghe.com/images/free-spin-coin-master-game_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005458.bin
7bbb78aa0f3c6bbb8fc0d3a5ccb9c39fc58ff19a7fdec0dc34cd983e8d2c1471		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5458 28744 bytes
font_01_sfnt_off00009661.bin
5bb838c272d249531c2f61dfca9615961f13b81b102c8d0f5dc7a470d6d15f54		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9661 19212 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.