Malicious PDF — malware analysis report

Static analysis result for SHA-256 3fe19bbb04b37fbc…

MALICIOUS

PDF

15.5 KB Created: 2021-07-01 18:47:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24
MD5: 0a936bdef1425a930f02b3abd5007a68 SHA-1: 1e6d916fbcd1aa0c6e767d1bd19d0b4060db3cd7 SHA-256: 3fe19bbb04b37fbc74cd1de87f16732722dc1a42a5378ccc35a4203818d9afc5
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that lure users with promises of game hacks and generators, redirecting to known malicious infrastructure. The ML classifier also flagged this PDF as malicious with high confidence. The primary attack pattern involves social engineering through deceptive content to drive users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9912

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/free-vip-roblox-game-hack In PDF document text
    • https://www.advancissurgical.com/uploads/files/files/download-hacks-for-roblox-jailbreak_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/counter-blox-roblox-offensive-aimbot-hack_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/free-roblox-account-v3rmillion_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/how-to-get-hair-for-free-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/roblox-level-7-free-exploit_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/free-synapse-roblox-2021_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/can-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/free-roblox-jailbreak-money-hack_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/how-to-hack-roblox-accounts-2021-with-wireshark_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/roblox-free-robux-hack-pastebin_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/titanic-roblox-cheat_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/dragod-hack-robux_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/roblox-dragon-ball-z-online-cheats_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/hack-coin-master-ios-download_GM406889139.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/coin-master-free-spins-links-2021_GM406889139.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/minecraft-java-for-free_GM479516143.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/roblox-free-hair-boy_GM431946152.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/coin-master-heaven-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • https://www.advancissurgical.com/uploads/files/files/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text

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