Malicious PDF — malware analysis report

Static analysis result for SHA-256 aceaca9b3e4ab7c7…

MALICIOUS

PDF

27.3 KB Created: 2021-06-03 11:29:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 0e242ebe161d1ba91e03447c79023908 SHA-1: 8a74ef0b9b1a974fe5d31c473986621842d7dd0e SHA-256: aceaca9b3e4ab7c73ddcb507518a95d08059cc6734b8647ef84e431f08010dae
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, identified by the PDF_SEO_LINK_FARM heuristic, that point to websites offering game hacks and 'free Robux'. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern involves luring users to click these links, likely leading to phishing sites or further malware downloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/431946152/blox-world-free-robux-game-hack PDF link annotation
    • http://katalog.stikesmukla.ac.id/repository/free-robux-generator-for-kids_GM431946152.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/how-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/roblox-hack-site_GM431946152.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/mcpe-master-hack-unlimited-coins-download_GM406889139.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/free-robux-apk_GM431946152.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/free-robux-that-actually-works-2021_GM431946152.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/minecraft-apk-download-free-11-055_GM479516143.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/how-to-get-minecraft-for-free-on-ipad_GM479516143.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/free-tiktok-views-no-verification_GM835599320.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/can-you-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/games-that-give-free-robux_GM431946152.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/hackear-coin-master-android_GM406889139.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/real-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/coin-master-free-shield_GM406889139.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/how-to-get-free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
    • http://katalog.stikesmukla.ac.id/repository/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text

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