Malicious PDF — malware analysis report

Static analysis result for SHA-256 f040172c00515468…

MALICIOUS

PDF

15.6 KB Created: 2021-05-14 11:50:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12
MD5: cdfdb8a3fc1e52aec771adb8a2312233 SHA-1: 123ee1e19f07949210cd2b4c9c4a350c1ce73e29 SHA-256: f040172c005154681840729974628b1982d38432c70085c0a361e822ee9c4260
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as game hacks and free generators. The primary link, https://netcdn.xyz/app/406889139/coin-master-free-spins-usa-2021-game-hack, is flagged as a lure for game hacks. The document body and embedded links suggest a social engineering attempt to drive traffic to potentially malicious sites. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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/406889139/coin-master-free-spins-usa-2021-game-hack In PDF document text
    • http://whiteyaknepal.com/userfiles/files/minecraft-alt-accounts-free_GM479516143.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/blox-pink-robux-free_GM431946152.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/weird-roblox_GM431946152.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/coin-master-hack-2021-android-apk_GM406889139.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/get-free-robux-info_GM431946152.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/coin-master-hack-without-verify_GM406889139.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/games-like-minecraft-but-free_GM479516143.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/roblox-group-free-robux_GM431946152.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/rbxoffers-com-free-robux_GM431946152.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/how-to-duplicate-coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/coin-master_GM406889139.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/todays-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/coin-master-unlimited-spin-hack_GM406889139.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/freespinandcoin-blogspot-com_GM406889139.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/minecraft-nintendo-switch-digital-code-free_GM479516143.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/coin-master-hack-no-verification-ios_GM406889139.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • http://whiteyaknepal.com/userfiles/files/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text

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