Malicious PDF — malware analysis report

Static analysis result for SHA-256 adb5a93bbf0f01e7…

MALICIOUS

PDF

13.8 KB Created: 2021-05-13 16:14:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: c8e2ccf27884b03fb2b9b8b05e2d2645 SHA-1: 817a05da76c0d1cfcd988a5452a7ceb734bbb755 SHA-256: adb5a93bbf0f01e72639cfac27bba8ac159457639634c1f17739aceec275012c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, specifically promoting 'game hacks' and 'generators'. The primary redirector URL is https://netcdn.xyz/app/431946152/robux-for-kids-game-hack. This pattern is commonly used for phishing or to deliver further malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9986

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 https://netcdn.xyz/app/431946152/robux-for-kids-game-hack In PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/roblox-pics_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/minecraft-pe-apk-download-free-015-0_GM479516143.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/hack-coin-master-mod-apk_GM406889139.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/coin-master-online-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/free-roblox-shirt-templates_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/best-minecraft-hacked-client-2021_GM479516143.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/free-robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/all-links-for-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/coin-master-2021-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/oprewards-robux_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/coin-master-free-cards_GM406889139.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/minecraft-windows-10-hacked-client_GM479516143.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/coin-master-free-spins--coins-2021_GM406889139.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://e-learning.man2balam.sch.id/__statics/gudangsoal/files/free-coin-master-spin-generator_GM406889139.pdfIn PDF document text

Related samples 8

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