Malicious PDF — malware analysis report

Static analysis result for SHA-256 9bc779a76efd725f…

MALICIOUS

PDF

4.7 KB Created: 2021-07-01 06:18:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 68ff8897ae6e367ba138be93ed686848 SHA-1: ef884290ff20b64c7af509c6eca9d15bd3cf22fe SHA-256: 9bc779a76efd725f20c578d32924ae40a571c77d87bab6e490dc1c37191e9e0d
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to redirector infrastructure, specifically advertising game hacks and cheats for popular games like Roblox. The heuristic firings confirm these links point to malicious redirectors designed to lure users into downloading further malware or engaging in scams. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9106

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/hack-roblox-beta-one-piece-legendary-game-hack In PDF document text
    • http://mtsn-baranti.com/perpus/repository/piano-roblox-cheat-codes_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-hack-generator_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/minecraft-114-download_GM479516143.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/how-does-roblox-gg-hack-your-acc_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/boxing-simulator-2-roblox-free-double-weight-lifting_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/gui-roblox-hack_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/coin-master-free-stuff_GM406889139.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/free-roblox-clothes-for-your-avatar_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-money-hack-cheat-engine-63_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/www-free-robux_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/roblox-speed-hack-2021-download_GM431946152.pdfIn PDF document text
    • http://mtsn-baranti.com/perpus/repository/krnl-roblox_GM431946152.pdfIn PDF document text

Related samples 8

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