Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ae7336677888039…

MALICIOUS

PDF

2.5 KB Created: 2021-07-04 10:20:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 830a70263d78a24d51e9904abbb60849 SHA-1: d2058d81a03bb851d733ba33bf1026b098c42529 SHA-256: 7ae73366778880393207a50f07aa2058db6a1b0a8e2807bd3e3e3f051d6b37cf
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free game currency ('Robux') and game hacks, directing users to a suspicious URL. The ML classifier strongly indicates maliciousness. The document body and heuristics confirm the intent to redirect users to potentially malicious content, likely a phishing or scam page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9906

Heuristics 3

  • 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 http://netcdn.tw/app/431946152/claim-gg-free-robux-game-hack PDF link annotation
    • https://knowledgekingdom.com.jo/aidata/blanc/files/roblox-money-hack-bloxburg_GM431946152.pdfIn PDF document text
    • https://knowledgekingdom.com.jo/aidata/blanc/files/coin-master-website_GM406889139.pdfIn PDF document text
    • https://knowledgekingdom.com.jo/aidata/blanc/files/how-to-get-20210-robux-for-free_GM431946152.pdfIn PDF document text
    • https://knowledgekingdom.com.jo/aidata/blanc/files/coin-master-fb-free-spins-link_GM406889139.pdfIn PDF document text
    • https://knowledgekingdom.com.jo/aidata/blanc/files/coin-master-hack-2021-iphone_GM406889139.pdfIn PDF document text
    • https://knowledgekingdom.com.jo/aidata/blanc/files/get-free-roblox-2021_GM431946152.pdfIn PDF document text
    • https://knowledgekingdom.com.jo/aidata/blanc/files/how-to-get-car-In PDF document text

Related samples 7

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