Malicious PDF — malware analysis report

Static analysis result for SHA-256 f98fb0ae681cd42e…

MALICIOUS

PDF

30.2 KB Created: 2021-06-08 10:56:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 4af463b51af484dd1642384ca06bd917 SHA-1: 63822b144a678b10169768495e1a8d9bef567a70 SHA-256: f98fb0ae681cd42ee924e987993446790b83f99b9aed6f9df32ccfc87248eade
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous links to external websites that promise game hacks and free in-game currency, such as Robux. The document body and extracted URLs strongly suggest a lure to phishing or malware download sites. While no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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 https://netcdn.tw/app/431946152/how-to-hack-other-people-roblox-accoubt-game-hack PDF link annotation
    • http://szekelymozes.ro/images/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/how-to-get-free-cards-for-coin-master_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/is-free-followers-on-tiktok-free_GM835599320.pdfIn PDF document text
    • http://szekelymozes.ro/images/roblox-website-robux_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/coin-master-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/coin-master-heaven-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/pubg-uc-rate-in-pakistan_GM1330123889.pdfIn PDF document text
    • http://szekelymozes.ro/images/free-minecraft-bedrock-server_GM479516143.pdfIn PDF document text
    • http://szekelymozes.ro/images/get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/500-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/how-to-get-free-robux-as-a-kid_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/card-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/how-do-you-get-free-robux-without-paying_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/how-to-hack-coin-master-without-root_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/coin-master-free-cards-link_GM406889139.pdfIn PDF document text
    • http://szekelymozes.ro/images/download-roblox-for-free-pc_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/how-do-you-earn-robux_GM431946152.pdfIn PDF document text
    • http://szekelymozes.ro/images/robux-game_GM431946152.pdfIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005027.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5027 15857 bytes
SHA-256: 5b5a777f824fdc40c7f88303f6c7c04b49389fd3d9c787c951c4ef71f4867cee

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