Malicious PDF — malware analysis report

Static analysis result for SHA-256 ddd7f03d47970e7a…

MALICIOUS

PDF

35.4 KB Created: 2021-06-28 01:08:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 7e79e77ab25b0ee89690e0f3733d7196 SHA-1: c93920dab23a96f0e04f96635f9e0f3bf65bf1f9 SHA-256: ddd7f03d47970e7ad972244bbe9fa1f0f719796fd6cce01cd9af4bbd261c3b2a
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous external links, many of which are SEO-optimized to appear as cheat or hack resources for games like Roblox. The primary URL http://netcdn.co/app/431946152/clapper-hack-roblox-game-hack likely serves as a download point for a malicious payload. The presence of a "download button" heuristic further supports the malicious intent of luring users to download potentially harmful files.

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/clapper-hack-roblox-game-hack
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/roblox-cheat-engine-hack-robux_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/how-to-cheat-in-levels-booga-booga-roblox_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/free-spins-and-coins-coin-master_GM406889139.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/how-do-i-get-free-spins-on-coin-master_GM406889139.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/script-for-hacking-roblox-phantom-forces_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/pagina-para-hack-en-roblox_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/cheat-roblox-murder_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/how-to-hack-account-in-roblox-2021_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/como-ser-hacker-en-roblox-skywars_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/roblox-hacks-2021-robux_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/free-acc-on-roblox-with-rbx-and-bc_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/dev-roblox-cheats_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/unlimited-robux-hacks_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/roblox-hack-get-unlimited-gems-and-gold-irobux-fun_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/free-games-and-free-roblox_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/qtx-download-roblox-free_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/free-roblox-girl-hair-codes_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/minecraft-tiktok-hacks_GM479516143.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/roblox-crc7-hack_GM431946152.pdf
    • http://pustaka.antropologi.fisip.unand.ac.id/repository/free-robux-ios-no-human-verification_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003227.bin
cc76f658d71b2663b7e569f08597d07dc1b9b1e1109cfad16462a9d114ed04eb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3227 22900 bytes
font_01_sfnt_off000065b8.bin
1055609d6c14f74fc81be4cfe234da86f03a123a2060dce4160840dc25ea950c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65B8 18832 bytes

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