Malicious PDF — malware analysis report

Static analysis result for SHA-256 632f7f9255fcc672…

MALICIOUS

PDF

20.6 KB Created: 2021-06-03 08:50:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 73f9d1d268ca0fbb6aba3b9b7dcaf75b SHA-1: 3ecc72ba28372c16dca52ec45b1da59f2c20b749 SHA-256: 632f7f9255fcc672808c417f25ed71ad002965d1254dbd4d68faea5860c8bd0c
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a high-confidence lure for game hacks and free generators, directing users to a suspicious URL. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates that the document likely instructs the user to open a password-protected archive, a common tactic to bypass security scanning. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lure suggest a phishing or malware distribution attempt, likely involving a second-stage download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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.online/app/406889139/master-coin-free-link-game-hack PDF link annotation
    • http://library-fkip.uho.ac.id/repository/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/roblox-hacks-2021_GM431946152.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/free-tiktok-like_GM835599320.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/minecraft-bedrock-edition-hacks_GM479516143.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/roblox-admin-hack_GM431946152.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/without-pokemon-go-free-account_GM1094591345.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/minecraft-116-free_GM479516143.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/roblox-hair-for-free_GM431946152.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/static-moonactive-net-link_GM406889139.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/free-roblox-usernames-and-passwords_GM431946152.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/robux-free-gift-card-org-hack_GM431946152.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/free-spin-in-coin-master_GM406889139.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/coin-master-hack-tool-v1-9-download-free_GM406889139.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/free-spin-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/free-spin-link-in-coin-master-game_GM406889139.pdfIn PDF document text
    • http://library-fkip.uho.ac.id/repository/pokemon-go-free-quagsire_GM1094591345.pdfIn PDF document text

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