Malicious PDF — malware analysis report

Static analysis result for SHA-256 17b109201feff887…

MALICIOUS

PDF

43.9 KB Created: 2021-06-04 00:14:03 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 5b5889959b4f343d5b4a6bdb3ec3a2a3 SHA-1: 259401c9601a3d70326525dbb98c75453d18762b SHA-256: 17b109201feff88773217082dc09bf65cf65ea8f5956ace850d502193ad9ce97
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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.online/app/479516143/how-to-make-a-minecraft-server-for-free-game-hack PDF link annotation
    • http://pustaka.fateta.unand.ac.id/repository/coin-master-free-cards-link_GM406889139.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/how-to-change-username-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/how-to-get-free-robux-without-downloading-apps_GM431946152.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/minecraft-servers-that-allow-hacks_GM479516143.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/how-can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/free-account-roblox-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/real-working-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/coin-master-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/coin-master-free-spin-and-coins-links_GM406889139.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/how-to-get-100-robux-for-free_GM431946152.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/daily-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/free-robux-gift-card-generator_GM431946152.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/coin-master-hacks-xyz_GM406889139.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://pustaka.fateta.unand.ac.id/repository/blox-world-free-robux_GM431946152.pdfIn PDF document text
    • http://www.freenom.comHeyIn 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_004_off00005286.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5286 24684 bytes
SHA-256: 333c6dd13f47e4fbe6060dfabc6ac326be24a7e3ebe5c9c488c9516d28b1509f
font_01_sfnt_off00008976.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8976 18156 bytes
SHA-256: 7ebd6cc6f7d73451d43dfe99dc02d56d86c4e3c51693199467050b16fbe82799

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