Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6eadf5989e89e1d…

MALICIOUS

PDF

14.7 KB Created: 2021-06-19 14:15:21 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 630d6c7b10dac4fb660848313402285c SHA-1: abad1f8db4d44720d071c2fba7e13d050cf28e3e SHA-256: f6eadf5989e89e1d0e965b18f4ec64db6d843ed67f5e41f25b426f5fea02edf2
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. It uses a callback-phone (TOAD) lure. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

Heuristics 4

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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.co/app/431946152/how-do-you-get-free-robux-easily-game-hack PDF link annotation
    • http://kcpb51.ru/images/robux-codes-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://kcpb51.ru/images/minecraft-marketplace-free_GM479516143.pdfIn PDF document text
    • http://kcpb51.ru/images/work-in-a-pizza-place-roblox-cheats_GM431946152.pdfIn PDF document text
    • http://kcpb51.ru/images/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
    • http://kcpb51.ru/images/claim-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://kcpb51.ru/images/how-to-download-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://kcpb51.ru/images/coin-master-hack-apk_GM406889139.pdfIn PDF document text
    • http://kcpb51.ru/images/how-to-cheat-in-strucid-roblox_GM431946152.pdfIn PDF document text
    • http://kcpb51.ru/images/pokemon-go-joystick-free-download_GM1094591345.pdfIn PDF document text
    • http://kcpb51.ru/images/can-you-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • http://kcpb51.ru/images/coinmaster-spins_GM406889139.pdfIn PDF document text
    • http://kcpb51.ru/images/100-robux_GM431946152.pdfIn PDF document text
    • http://kcpb51.ru/images/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • http://kcpb51.ru/images/youtube-roblox-robux-hacked_GM431946152.pdfIn PDF document text
    • http://kcpb51.ru/images/roblox-billionaire-simulator-hack_GM431946152.pdfIn PDF document text
    • http://kcpb51.ru/images/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://kcpb51.ru/images/free-robux-codes-generator-no-verification_GM431946152.pdfIn PDF document text
    • http://kcpb51.ru/images/pastebin-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://kcpb51.ru/images/free4mobile24-roblox-hack_GM431946152.pdfIn PDF document text
    • http://kcpb51.ru/images/how-to-hack-roblox-accounts-on-phone_GM431946152.pdfIn PDF document text

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