Malicious PDF — malware analysis report

Static analysis result for SHA-256 185062d4246bb73e…

MALICIOUS

PDF

5.3 KB Created: 2021-06-19 22:48:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12
MD5: ae7d3cf1e587accede9072a59f631940 SHA-1: b1a4cb048e17d105c3e22d68b6f24db0d70885c8 SHA-256: 185062d4246bb73e92cfceecf6d48a1684118f1f3418690860b2c972c9d86875
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains links that redirect to known malicious infrastructure, specifically advertising game hacks and free generators. The ML classifier also flagged this PDF as malicious. The primary attack pattern involves luring users with enticing offers to click through to potentially harmful websites, which could lead to further exploitation or malware download.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9400

Heuristics 4

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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-money-in-mad-city-in-roblox-game-hack In PDF document text
    • http://killebergsridsport.se/images/does-cheat-engine-even-work-anymore-for-roblox_GM431946152.pdfIn PDF document text
    • http://killebergsridsport.se/images/wurst-commands_GM479516143.pdfIn PDF document text
    • http://killebergsridsport.se/images/roblox-free-vip-account_GM431946152.pdfIn PDF document text
    • http://killebergsridsport.se/images/get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://killebergsridsport.se/images/300-roblox-accounts-free-v3rm_GM431946152.pdfIn PDF document text
    • http://killebergsridsport.se/images/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • http://killebergsridsport.se/images/phone-pokemon-brick-bronze-roblox-hack_GM431946152.pdfIn PDF document text
    • http://killebergsridsport.se/images/minecraft-pc-free_GM479516143.pdfIn PDF document text
    • http://killebergsridsport.se/images/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://killebergsridsport.se/images/coin-master-unlimited-free-spins-link-2021_GM406889139.pdfIn PDF document text

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