Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad874f3d17d39741…

MALICIOUS

PDF

19.2 KB Created: 2021-06-29 04:26:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-20
MD5: c6c30d82f907d8628db30671041258d5 SHA-1: 68ffd65bafce75ee114cf6703c3cff00c58db534 SHA-256: ad874f3d17d39741a4cc3b3979604ae8c5877070ae4df0ecbda810691f5669fa
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one identified as a malicious redirector, which is designed to lure users into clicking on potentially harmful content related to game hacks. The document body and embedded URLs suggest a phishing or scam attempt, likely to trick users into visiting malicious sites. No scripts were extracted, but the presence of multiple redirector links and the ML classification indicate a high likelihood of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

Heuristics 3

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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/roblox-tp-hack-ccv7-game-hack In PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/roblox-videos-of-how-to-make-free-robux_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/free-minecraft-wallpaper_GM479516143.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/free-download-roblox-mac_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/google-play-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/robux-free-co_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/free-tix-roblox-2021_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/minecraft-rtx-download-free_GM479516143.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/free-roblox-groups_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/apps-to-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/free-minecraft-premium-account_GM479516143.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/coinmaster-com_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/how-you-get-robux_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/hack-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/coin-master-free-spins-ios-app_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/pastebin-hack-de-roblox_GM431946152.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/free-tiktok-fans-5k_GM835599320.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac//repository/moon-static-coin-master-generator-hacks-free_GM406889139.pdfIn PDF document text
    • http://elib.upiyptk.ac.id/opac/repository/facebook-coin-master-hack_GM406889139.pdfIn PDF document text

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