Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe95fbdedf1ca7fe…

MALICIOUS

PDF

2.5 KB Created: 2021-07-04 02:33:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 287fc8cb2be0f38b753fffebc95debab SHA-1: 2944f4c010148ab4cac7dee7d18bdfd821672e23 SHA-256: fe95fbdedf1ca7fe26975d5f14ef09d306621885bfb1d499872cce6186b44d61
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document uses a common lure of 'Free Robux' and 'game hacks' to entice users to click on embedded links. The primary link, http://netcdn.tw/app/431946152/free-robux-no-verification-no-download-game-hack, is flagged as a redirector for game hacks, indicating a likely phishing or malware distribution attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to lead the user to a malicious site, potentially exploiting vulnerabilities or delivering further payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9905

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/free-robux-no-verification-no-download-game-hack PDF link annotation
    • http://library.persadabunda.ac.id/repository/robux-hack-pro-tv_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/free-robux-safe_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/spin-coin-master_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/free-roblox-dominus_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/robux-hacks-2021_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/robux-kostenlos-ohne-handynummer-kein-hack_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/how-to-hack-an-account-roblox_GM431946152.pdfIn PDF document text

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