Malicious PDF — malware analysis report

Static analysis result for SHA-256 ecc29480d207e8b7…

MALICIOUS

PDF

35.1 KB Created: 2021-06-19 11:06:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 67d19921969f004ae7944cd0ecf2787d SHA-1: b5f0658a55f3782e8085ababd1d74907e4f6ece8 SHA-256: ecc29480d207e8b78ff80932e856d65500bab5ec87b7f510dc48b1608df12d37
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.co/app/431946152/hack-robux-infinito-roblox-2021-marzo-game-hack PDF link annotation
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/ways-to-get-robux_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/roblox-hack-minig-simulator-v3rmillion_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/free-unlimited-robux_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/how-to-actually-get-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/apps-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/coin-master-free-spins-and-coins-haktuts_GM406889139.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/how-to-earn-robux_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/roblox-skywars-hack-script_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/script-for-roblox-free_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/how-to-get-free-robux-just-by-downloading-apps_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/robux-hack-me_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/roblox-cheat-codes-for-money-on-jail-tycoon_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/minecraft-java-free-account_GM479516143.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/coin-master-free-stars_GM406889139.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/how-to-get-free-robux-by-roblox_GM431946152.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • https://e-learning-ma-nurussaadah.com/__statics/gudangsoal/files/coin-master-2021_GM406889139.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_off000031fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31FC 21804 bytes
SHA-256: 816e057df8ddfcd38684792ca2b0f5c3d2eda6be31aa5acde9979b798199b4d0
font_01_sfnt_off000061f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61F3 19700 bytes
SHA-256: d79474ebd7178a117ed6218a1677aa2ddf9d446f63adf69c78a4d90236980f90

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