Malicious PDF — malware analysis report

Static analysis result for SHA-256 527f01eea7dce034…

MALICIOUS

PDF

36.0 KB Created: 2021-06-30 21:42:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 0f9e9e224346ba2f2631e6aba0b7261f SHA-1: e4c56078368cc032ec286fcce477bd60337602a9 SHA-256: 527f01eea7dce034294af3a4609c0e8b866226da9fca96c8659a3573c78f70f0
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of external links, many of which are SEO-optimized and point to pages offering game-related cheats and hacks. The document body itself contains a URL that appears to be a download link for a game hack. This suggests the document is designed to trick users into downloading malicious files or visiting compromised sites. No scripts were extracted, but the overall structure and content strongly indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/rblx-gg-free-robux-today-game-hack
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/free-roblox-gift-card-codes-2021-unused_GM431946152.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/how-to-get-minecraft-windows-10-for-free_GM479516143.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/coin-master-hack-tool-v1-9_GM406889139.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/roblox-brick-cars-cheat-codes_GM431946152.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/coin-master-free-link-today_GM406889139.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/how-to-get-free-robux-inspect_GM431946152.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/free-roblox-clothes-girl_GM431946152.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/roblox-hack-android-download_GM431946152.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/free-tiktok-followers-no-verification-or-survey_GM835599320.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/roblox-promo-codes-2021-free_GM431946152.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/can-u-get-roblox-on-ps4-for-free_GM431946152.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/roblox-hack-download_GM431946152.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/hack-spin-coin-master_GM406889139.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/free-robux-in-roblox-pc_GM431946152.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/free-robux-generator-no-human-verification-2021_GM431946152.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/roblox-free-robux-com_GM431946152.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/coin-master-promo-code-2021_GM406889139.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/free-robux-no-human-verification_GM431946152.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/blocky-world-free-robux_GM431946152.pdf
    • http://pustaka.ditjenpkh.pertanian.go.id/pusvetma/repository/free-spins-on-coin-master-cheat_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000357d.bin
c7a558a4b3d39c0056f0c1d1cb31e97832f0f2a47fd788b0e2e147f9c7560867		 pdf-font-stream PDF embedded font (sfnt) at offset 0x357D 22348 bytes
font_01_sfnt_off0000675f.bin
b1799a299656a48f6165a921926357945465404895bc48be2c06feb63cc2204a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x675F 19144 bytes

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