Malicious PDF — malware analysis report

Static analysis result for SHA-256 802887de6d2b2418…

MALICIOUS

PDF

42.4 KB Created: 2021-04-28 17:46:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 6f5518bf5255da666f0e3030462fa012 SHA-1: 2e74c0514f3b37c869c1b7d2b5eb2e694f752742 SHA-256: 802887de6d2b2418c01bfb17e12dcbf22cabea77177bf19b436c2b4d82526fc9
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 0.9941

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.xyz/app/431946152/how-to-hack-dragon-ball-rage-roblox-2021-game-hack PDF link annotation
    • https://lib-stie.yai.ac.id/repository/roblox-hack-no-download-gui.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/si-un-hacker-te-sigue-en-roblox-te-puede-hackear.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-restaurant-tycoon-money-cheat.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-speed-up-jg-productions-roblox-hack.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/hack-btools-roblox-jailbreak.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-robux-no-buying-things.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/top-12-groups-on-roblox-that-give-free-robux.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/cheat-roblox-pc-phantom-forces.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-promo-codes-for-roblox-robux.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/free-codes-for-roblox-live-now.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
font_00_sfnt_off00004424.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4424 26772 bytes
SHA-256: e4d85520060ee6c49c2a68d535238f862543cbdca6c45a8d3aed4ade9bc6efe5
font_01_sfnt_off000080e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80E2 19204 bytes
SHA-256: c1f5e2ef5d55864ea81191e51e8aab7296f58c82ebd3fa2f3ebd6d101377b464

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