Malicious PDF — malware analysis report

Static analysis result for SHA-256 74e4be6c315c2c51…

MALICIOUS

PDF

19.0 KB Created: 2021-05-11 22:23:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 1a734fe854af342a9019bdf48938ce10 SHA-1: a54455e833acc001f9222fe22cd16b6085c58d56 SHA-256: 74e4be6c315c2c51b70bd0dc7b6fab202d935861884f14dc223940eec1923c03
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded links to external websites, many of which are structured as SEO link farms. The primary URL, https://netcdn.xyz/app/406889139/50-free-spins-coin-master-links-game-hack, along with others hosted on quatangthienthan.com, are presented as lures for free game items. While no scripts were explicitly extracted, the PDF structure and embedded links suggest a phishing or scam campaign designed to drive traffic to potentially malicious or ad-heavy sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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.xyz/app/406889139/50-free-spins-coin-master-links-game-hack
    • http://quatangthienthan.com/images/how-to-get-more-spins-on-coin-master-for-free_GM406889139.pdf
    • http://quatangthienthan.com/images/free-spins-coin-master-daily_GM406889139.pdf
    • http://quatangthienthan.com/images/minecraft-bedrock-for-free_GM479516143.pdf
    • http://quatangthienthan.com/images/coin-master-free-download_GM406889139.pdf
    • http://quatangthienthan.com/images/minecraft-bedrock-hacks_GM479516143.pdf
    • http://quatangthienthan.com/images/coin-master-free-spins-for-today_GM406889139.pdf
    • http://quatangthienthan.com/images/coin-master-hack-no-verification-2021_GM406889139.pdf
    • http://quatangthienthan.com/images/roblox-2021-hack_GM431946152.pdf
    • http://quatangthienthan.com/images/best-site-for-free-coin-master_GM406889139.pdf
    • http://quatangthienthan.com/images/coin-master-free-spins-link-today-twitter_GM406889139.pdf
    • http://quatangthienthan.com/images/coin-master-free-spins-moonactive_GM406889139.pdf
    • http://quatangthienthan.com/images/play-coin-master-for-free_GM406889139.pdf
    • http://quatangthienthan.com/images/tower-of-hell-roblox-hack_GM431946152.pdf
    • http://quatangthienthan.com/images/how-to-get-free-robux-without-verification_GM431946152.pdf
    • http://quatangthienthan.com/images/coin-master-free-spins-link-today-new_GM406889139.pdf
    • http://quatangthienthan.com/images/how-to-get-free-robux-games_GM431946152.pdf
    • http://quatangthienthan.com/images/instagram-free-coin-master-spins_GM406889139.pdf
    • http://quatangthienthan.com/images/roblox-promo-code-to-get-free-robux_GM431946152.pdf
    • http://quatangthienthan.com/images/rewardrobux-com_GM431946152.pdf
    • http://quatangthienthan.com/images/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdf

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