Malicious PDF — malware analysis report

Static analysis result for SHA-256 e75adf400f41c157…

MALICIOUS

PDF

35.8 KB Created: 2021-07-05 00:17:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 75d1ae9a8a9c5baf4d022f7fcff9ce64 SHA-1: e0756360d6d1d5b918a23b81e2cce665d2d58bb3 SHA-256: e75adf400f41c15750a19c400f74c47c9c7772c5498aab49da82fe69c4bfc547
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a call-to-action lure, suggesting it is designed to trick users into downloading a malicious payload. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple game-related lures indicates a common phishing tactic. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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/431946152/how-to-get-free-robux-and-builders-club-on-roblox-game-hack
    • https://pustaka.widyakartika.ac.id/repository/ebay-roblox-cheats_GM431946152.pdf
    • https://pustaka.widyakartika.ac.id/repository/coin-master-free-coins-and-spins-2021_GM406889139.pdf
    • https://pustaka.widyakartika.ac.id/repository/list-of-free-stuff-on-roblox_GM431946152.pdf
    • https://pustaka.widyakartika.ac.id/repository/hack-roblox-adopt-me_GM431946152.pdf
    • https://pustaka.widyakartika.ac.id/repository/botton-complex-free-robux_GM431946152.pdf
    • https://pustaka.widyakartika.ac.id/repository/roblox-electric-state-hack_GM431946152.pdf
    • https://pustaka.widyakartika.ac.id/repository/roblox-scripters-for-free_GM431946152.pdf
    • https://pustaka.widyakartika.ac.id/repository/minecraft-windows-10-free-with-java_GM479516143.pdf
    • https://pustaka.widyakartika.ac.id/repository/coin-master-heaven-free-spins-link_GM406889139.pdf
    • https://pustaka.widyakartika.ac.id/repository/free-robux-obby_GM431946152.pdf
    • https://pustaka.widyakartika.ac.id/repository/minecraft-hacked-client-download_GM479516143.pdf
    • https://pustaka.widyakartika.ac.id/repository/minecraft-maps-pe-free-download_GM479516143.pdf
    • https://pustaka.widyakartika.ac.id/repository/roblox-starburst-cheats_GM431946152.pdf
    • https://pustaka.widyakartika.ac.id/repository/coin-master-hack-version-download-2021_GM406889139.pdf
    • https://pustaka.widyakartika.ac.id/repository/elite-hackus-exec-roblox-wd8_GM431946152.pdf
    • https://pustaka.widyakartika.ac.id/repository/ahmed-roblox-hack_GM431946152.pdf
    • https://pustaka.widyakartika.ac.id/repository/how-to-hack-roblox-accounts-passwords-online_GM431946152.pdf
    • https://pustaka.widyakartika.ac.id/repository/coin-master-rare-cards-hack_GM406889139.pdf
    • https://pustaka.widyakartika.ac.id/repository/how-to-get-free-robux-for-free_GM431946152.pdf
    • https://pustaka.widyakartika.ac.id/repository/free-spins-in-coin-master-without-human-verification_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000034d3.bin
d8e80e22ce94278147040810ec7718438f82f23e881b27dcbff780dc35ee6e65		 pdf-font-stream PDF embedded font (sfnt) at offset 0x34D3 22396 bytes
font_01_sfnt_off000066aa.bin
3abbc0f7a6fde9a093bdce5be5ab435a38be57340cc2a0c3166a70492cdf4474		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66AA 19168 bytes

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