Malicious PDF — malware analysis report

Static analysis result for SHA-256 98f835b9738e5e05…

MALICIOUS

PDF

42.4 KB Created: 2021-05-19 19:00:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8b766554639d744a950a478fbfa7ecbf SHA-1: 4250e704a6d7e2c926910a4e08d719757cdfa7e5 SHA-256: 98f835b9738e5e052262c001b47fd9ff3fcbf79d12fd04c3e6036cd54fb80d1c
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The ML classifier strongly indicated maliciousness, and the document body contains a lure for a 'Minecraft 1.16 Free Game Hack'. The embedded URI points to a suspicious URL, likely serving a malicious payload. The presence of multiple links to game-related hacks suggests a common theme for user deception.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 3

  • 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/479516143/minecraft-1.16-free-game-hack In PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/free-robux-without-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/coin-master-hack-version-2021-free-download_GM406889139.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/coin-master-how-to-get-japan-sushi-card-free_GM406889139.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/wurst-18-9_GM479516143.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/free-coin-master-links_GM406889139.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/master-coin-master-free-spin_GM406889139.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/how-to-get-free-chest-in-coin-master_GM406889139.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/how-can-i-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/coin-master-hack-2021-app_GM406889139.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/free-op-minecraft-servers_GM479516143.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/roblox-free-body_GM431946152.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/roblox-hack-codes_GM431946152.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/pubg-uc-cheap_GM1330123889.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/roblox-weird_GM431946152.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/hacks-minecraft_GM479516143.pdfIn PDF document text
    • http://jdih.ptun-denpasar.go.id/assets/CKImages/files/free-spin-link-for-coin-master-haktuts_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_off00004ce5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4CE5 24904 bytes
SHA-256: c1b73d15cdd82b0cb8efe794b95fed5c8e0a9a46b940b6f20df29a0631d49bb8
font_01_sfnt_off000084af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84AF 17908 bytes
SHA-256: 8310a8a70ae495dc6c5eef129ed79833fdc59e5dcfd7da15d006a4c6032bb3ed

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