Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7293b75fd92139b…

MALICIOUS

PDF

36.1 KB Created: 2021-07-04 13:39:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 46cc4453b832b1774cf87b364c489fe1 SHA-1: c2912f51c170fc3b9beeeab178fe8137ca10ba10 SHA-256: f7293b75fd92139bdb38cf007f2b770805c17b5a0a2f59e6f1b8481f56580bcd
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 0.9980

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 http://netcdn.tw/app/406889139/play-coin-master-game-hack PDF link annotation
    • https://e-learningmin7jakarta.com/__statics/gudangsoal/files/roblox-download-free-full-version-pc_GM431946152.pdfIn PDF document text
    • http://e-learningmin7jakarta.com/__statics/gudangsoal/files/how-to-get-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
    • http://e-learningmin7jakarta.com/__statics/gudangsoal/files/robux-converter_GM431946152.pdfIn PDF document text
    • http://e-learningmin7jakarta.com/__statics/gudangsoal/files/minecraft-free-download-ios_GM479516143.pdfIn PDF document text
    • http://e-learningmin7jakarta.com/__statics/gudangsoal/files/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
    • https://e-learningmin7jakarta.com/__statics/gudangsoal/files/stock-speed-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://e-learningmin7jakarta.com/__statics/gudangsoal/files/how-do-you-get-free-robux-google_GM431946152.pdfIn PDF document text
    • http://e-learningmin7jakarta.com/__statics/gudangsoal/files/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://e-learningmin7jakarta.com/__statics/gudangsoal/files/minecraft-windows-10-edition-hacks_GM479516143.pdfIn PDF document text
    • http://e-learningmin7jakarta.com/__statics/gudangsoal/files/coin-master-free-food_GM406889139.pdfIn PDF document text
    • http://e-learningmin7jakarta.com/__statics/gudangsoal/files/roblox-hacks-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://e-learningmin7jakarta.com/__statics/gudangsoal/files/coin-master-game-hack-app_GM406889139.pdfIn PDF document text
    • https://e-learningmin7jakarta.com/__statics/gudangsoal/files/coin-master-hack-spins-game-download_GM406889139.pdfIn PDF document text
    • https://e-learningmin7jakarta.com/__statics/gudangsoal/files/coin-master-hack-mod-apk-unlimited-spins_GM406889139.pdfIn PDF document text
    • http://e-learningmin7jakarta.com/__statics/gudangsoal/files/roblox-counter-blox-hack-2021_GM431946152.pdfIn PDF document text
    • https://e-learningmin7jakarta.com/__statics/gudangsoal/files/free-vip-server-for-roblox-gravity-ship_GM431946152.pdfIn PDF document text
    • https://e-learningmin7jakarta.com/__statics/gudangsoal/files/coin-master-free-spins-reddit_GM406889139.pdfIn PDF document text
    • http://e-learningmin7jakarta.com/__statics/gudangsoal/files/how-to-get-free-robux-without-offers_GM431946152.pdfIn PDF document text
    • http://e-learningmin7jakarta.com/__statics/gudangsoal/files/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://e-learningmin7jakarta.com/__statics/gudangsoal/files/roblox-fly-hack_GM431946152.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_off0000373b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x373B 22968 bytes
SHA-256: 7b2be93064e32d10971c043afe9bdf46a022acf923691bdae6edef7e7bca1043
font_01_sfnt_off00006aa3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AA3 18240 bytes
SHA-256: 951fb42c9257d33139c4e3fc886634a5bf57f2b752e667c7d04dc5df5064fe89

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