Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8e60aa4348f744e…

MALICIOUS

PDF

42.4 KB Created: 2021-05-11 18:55:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: c3272a7d83bfac7c039f2071fe4b2338 SHA-1: 7925888ed8ec1f6c0196049cd163a9124bdc25e7 SHA-256: c8e60aa4348f744ec63fde0b8cb42800e97ff68e4d94197341bcefb7dd9d9e69
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure related to free game currency and hacks, directing users to a malicious URL. The document's content and embedded links strongly suggest a phishing or scam attempt designed to lead users to potentially harmful websites. While no scripts were directly extracted, the PDF structure and embedded URIs are indicative of malicious intent, likely to facilitate further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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-do-you-get-free-robux-2021-game-hack PDF link annotation
    • http://library.stieyapan.ac.id/repository/coin-master-hack-for-ios_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/minecraft-bedrock-download-pc-free_GM479516143.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/how-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/coin-master-raid-hack_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/free-minecraft-premium-account_GM479516143.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/coin-master-ad_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/como-conseguir-monedas-infinitas-y-tiradas-de-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/coin-master-links-free-spins_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/free-spins-and-coins-coin-master_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/coin-master-free-cards-2021_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/roblox-robux_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id/repository/free-spins-for-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/get-robux-today_GM431946152.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
    • http://library.stieyapan.ac.id//repository/can-you-get-free-robux-on-roblox_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_off000047bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47BB 25444 bytes
SHA-256: 4e78bdca50151a20a7402b9c86a257b823173b377cc67f204c1e83cc14d79102
font_01_sfnt_off000080cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80CF 19016 bytes
SHA-256: 7afc4835c6f8d200a546e15f78f642ba5dd88c8fac7df04bc3003dd1e9f7232a

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