Malicious PDF — malware analysis report

Static analysis result for SHA-256 360703fb4e3ffca2…

MALICIOUS

PDF

42.9 KB Created: 2021-05-14 18:48:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: af58456af7eef0fd70d1d3a9810e0cad SHA-1: 8a657d50d6bf2ce48b0c88a4a23d6cc43a6f3b65 SHA-256: 360703fb4e3ffca2ca5173ae827f54571cf572eb569a2a3fb83c3b4669d633bd
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites that are flagged as malicious redirectors, specifically promoting 'free generator' or 'game hack' lures. The document body and extracted URLs strongly suggest a phishing or scam attempt aimed at users seeking in-game advantages. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate malicious redirection capabilities.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/free-roblox-adopt-me-accounts-game-hack In PDF document text
    • http://www.vista-design.hr/files/spin-coin-master_GM406889139.pdfIn PDF document text
    • https://www.vista-design.hr/files/free-coin-and-spin-link_GM406889139.pdfIn PDF document text
    • https://www.vista-design.hr/files/roblox40com-robux_GM431946152.pdfIn PDF document text
    • https://www.vista-design.hr/files/give-free-robux_GM431946152.pdfIn PDF document text
    • http://www.vista-design.hr/files/get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.vista-design.hr/files/wurst-client-download_GM479516143.pdfIn PDF document text
    • http://www.vista-design.hr/files/coin-master-apk-hack-3527_GM406889139.pdfIn PDF document text
    • https://www.vista-design.hr/files/roblox-generator-no-verification_GM431946152.pdfIn PDF document text
    • https://www.vista-design.hr/files/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
    • https://www.vista-design.hr/files/www-roblox-com-free-robux_GM431946152.pdfIn PDF document text
    • http://www.vista-design.hr/files/coin-master-hack-spins-2021_GM406889139.pdfIn PDF document text
    • http://www.vista-design.hr/files/minecraft-tower-defense-2-hacked_GM479516143.pdfIn PDF document text
    • https://www.vista-design.hr/files/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.vista-design.hr/files/how-to-change-roblox-username-for-free_GM431946152.pdfIn PDF document text
    • https://www.vista-design.hr/files/all-coin-master-spin-link-and-free-download_GM406889139.pdfIn PDF document text
    • https://www.vista-design.hr/files/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
    • https://www.vista-design.hr/files/coin-master-free-gold-cards_GM406889139.pdfIn PDF document text
    • http://www.vista-design.hr/files/free-robux-real-2021_GM431946152.pdfIn PDF document text
    • https://www.vista-design.hr/files/roblox-com-redeem_GM431946152.pdfIn PDF document text
    • https://www.vista-design.hr/files/how-do-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004a53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A53 25340 bytes
SHA-256: 4ce2609f36fe83921445044f1156af5317d2c8b426e01a00c0e3ef5e4cd4df3d
font_01_sfnt_off00008413.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8413 18740 bytes
SHA-256: 52016c63ee0cd8fd8855830f6c2d9c8ac83d5d7faec0726816e5f8d474f3b9d5

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