Malicious PDF — malware analysis report

Static analysis result for SHA-256 7247d1a63e4d46e3…

MALICIOUS

PDF

47.2 KB Created: 2021-05-13 08:36:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 8cfb5cd5906fed15bd8fc6b0f6767652 SHA-1: c6aecd61e9bc82ebd9a27f713c27c6b5a7c5b54e SHA-256: 7247d1a63e4d46e30484814d66fc8e809a4cc3443571c798bbd3470c77203f77
82 Risk Score

Malware Insights

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

The document displays a fake CAPTCHA to lure the user into clicking a malicious link, which is a common social engineering tactic. The embedded URL and numerous other similar URLs found in the document suggest a phishing or malware distribution attempt. No scripts were extracted, limiting further analysis of the payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8948

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/how-to-hack-roblox-2021-game-hack
    • http://digilib.ulm.ac.id/pusat/repository/minecraft-app-store-free_GM479516143.pdf
    • http://digilib.ulm.ac.id/pusat/repository/free-roblox-avatar_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/free-robux-download_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/minecraft-free-download-mac-full-version_GM479516143.pdf
    • http://digilib.ulm.ac.id/pusat/repository/how-to-block-someone-on-coin-master_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/roblox-studio-free-robux_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/free-robux-android_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/coin-master-hack-app-2021_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/minecraft-hacks-list_GM479516143.pdf
    • http://digilib.ulm.ac.id/pusat/repository/cm-free-spins_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/free-roblox-hair-boy_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/how-to-hack-and-get-free-robux_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/free-rare-cards-for-coin-master_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/free-robux-no-human-verification-generator_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/free-spins-coin-master-hack-2021_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/show-me-how-to-get-free-robux_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/unlimited-coin-master-free-spins_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/cheats-for-coin-master_GM406889139.pdf
    • http://digilib.ulm.ac.id/pusat/repository/www-roblox-com-robux-free_GM431946152.pdf
    • http://digilib.ulm.ac.id/pusat/repository/roblox-hack-me_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004805.bin
70ea74011e99c4634b53b14a221072651bc3422e873f1bfcebd9c006aaa8f219		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4805 28916 bytes
font_01_sfnt_off000089df.bin
2df87bbe4e27b27e34c872c092d0522acd977d05f5cbde7ed5e1fdfeb59cb318		 pdf-font-stream PDF embedded font (sfnt) at offset 0x89DF 2984 bytes
font_02_sfnt_off0000942d.bin
82830e686af2a9787477f8716b243dfdc4e826425849e85a18f820c98dc205f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x942D 18748 bytes

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