Malicious PDF — malware analysis report

Static analysis result for SHA-256 b68fda952e2bd257…

MALICIOUS

PDF

23.4 KB Created: 2021-05-15 00:23:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c5612fd1dfac0e5c9956f6a70188529f SHA-1: 1abf9a0750aa04fa2e958c645a43a1ddd0f17317 SHA-256: b68fda952e2bd257592d574b3080707c179026226cb5da1ed5fcf4a47ebcc7f0
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file contains numerous links designed to lure users into clicking on what appear to be game hacks or generators. The primary link redirects to a game hack generator, and many other links point to a large collection of PDFs hosted on 'ourlady-elearning.com', forming a link farm. This suggests a campaign to drive traffic to malicious or scam-related content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 4

  • 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.
  • 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.
  • 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/479516143/toolbox-for-minecraft-ios-game-hack PDF link annotation
    • https://ourlady-elearning.com/userfiles/files/robux-earning-sites_GM431946152.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/roblox-exploit-scripts_GM431946152.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/how-to-get-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/free-robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/how-to-get-free-shirts-on-roblox_GM431946152.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/how-to-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/spin-links-for-coin-master_GM406889139.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/free-coin-master-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/free-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/minecraft-alt-accounts-free_GM479516143.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/jailbreak-roblox-hack_GM431946152.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/coin-master-hack-without-verification-2021_GM406889139.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/coin-master-hack-tool-download_GM406889139.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/free-robux-promo-codes-2021_GM431946152.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/windows-10-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/wizard-hacks_GM479516143.pdfIn PDF document text
    • https://ourlady-elearning.com/userfiles/files/how-to-get-free-robux-without-verification-2021_GM431946152.pdfIn PDF document text

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