Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5bbec14056ed4a9…

MALICIOUS

PDF

49.1 KB Created: 2021-04-24 08:11:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-11
MD5: 55b72851d37503e1caf44cf3f9cd124b SHA-1: 0f6ceefecae0b7b4bcf3df637c64127836cc7706 SHA-256: d5bbec14056ed4a96e052d1425605e539e8bf8f1e99e34784b930cea57c10e49
102 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9940

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • 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://netsecure.top/app/431946152/roblox-breaking-point-fullbright-hack-game-hack PDF link annotation
    • http://vinhoshortencia.com.br/media/ckfinder/userfiles/files/how-to-get-free-robux-by-joining-groups-on-website.pdfIn PDF document text
    • http://vinhoshortencia.com.br/media/ckfinder/userfiles/files/is-hacking-someones-account-on-roblox-illegal.pdfIn PDF document text
    • http://vinhoshortencia.com.br/media/ckfinder/userfiles/files/cheat-engine-roblox-jailbreak-2021.pdfIn PDF document text
    • http://vinhoshortencia.com.br/media/ckfinder/userfiles/files/roblox-synapse-free-september-2021.pdfIn PDF document text
    • http://vinhoshortencia.com.br/media/ckfinder/userfiles/files/can-you-get-roblox-on-xbox-360-for-free.pdfIn PDF document text
    • http://vinhoshortencia.com.br/media/ckfinder/userfiles/files/how-to-hack-roblox-robux-with-cheat-engine-62.pdfIn PDF document text
    • http://vinhoshortencia.com.br/media/ckfinder/userfiles/files/roblox-fly-hack-november-2021.pdfIn PDF document text
    • http://vinhoshortencia.com.br/media/ckfinder/userfiles/files/free-money-codes-on-roblox-skywars.pdfIn PDF document text
    • http://vinhoshortencia.com.br/media/ckfinder/userfiles/files/free-servers-for-roblox-super-power-traing-simulator.pdfIn PDF document text
    • http://vinhoshortencia.com.br/media/ckfinder/userfiles/files/how-to-get-script-hacks-on-roblox.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000046c2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x46C2 39952 bytes
SHA-256: 3e6f71c22e08a5f77f9cd313ca8f57907a0b1492e0a597694c17c6dc3d94a56c
font_01_sfnt_off00009c10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C10 19316 bytes
SHA-256: f4d7e20d688bd35f9f539e9e76408adaeae48feaaf8ee07e4b3e6fcb3cca4520

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