Malicious PDF — malware analysis report

Static analysis result for SHA-256 06dc93c83b861252…

MALICIOUS

PDF

42.1 KB Created: 2021-05-19 01:33:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 07d0565dd766feb4dd761328881b7dbb SHA-1: 884bedbb280db4f60f12d5f9f1d6652106efcbc5 SHA-256: 06dc93c83b86125247fab31f80d6de32274148fb049ce196554c3c165b09c273
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a large number of embedded links, identified as a link farm, pointing to various external resources. The primary URL, https://netcdn.xyz/app/406889139/coin-master-stop-attack-hack-game-hack, suggests a lure related to game exploits or cheats. The presence of numerous similar links indicates a coordinated effort to direct users to potentially malicious content, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/406889139/coin-master-stop-attack-hack-game-hack
    • http://e-library.akademitelkom.ac.id/repository/free-spins-coin-master-blogspot_GM406889139.pdf
    • http://e-library.akademitelkom.ac.id/repository/coin-master-free-spins-hack-download_GM406889139.pdf
    • http://e-library.akademitelkom.ac.id/repository/coin-master-cards-for-free_GM406889139.pdf
    • http://e-library.akademitelkom.ac.id/repository/minecraft-life-hacks_GM479516143.pdf
    • http://e-library.akademitelkom.ac.id/repository/free-links-for-coin-master_GM406889139.pdf
    • http://e-library.akademitelkom.ac.id/repository/rbxoffers-com-free-robux_GM431946152.pdf
    • http://e-library.akademitelkom.ac.id/repository/robux-free-promo-codes_GM431946152.pdf
    • http://e-library.akademitelkom.ac.id/repository/coin-master-unlimited-spin-link_GM406889139.pdf
    • http://e-library.akademitelkom.ac.id/repository/roblox-free-robux-generator_GM431946152.pdf
    • http://e-library.akademitelkom.ac.id/repository/free-spins-on-coin-master_GM406889139.pdf
    • http://e-library.akademitelkom.ac.id/repository/coin-master-free-spins-and-coins-daily_GM406889139.pdf
    • http://e-library.akademitelkom.ac.id/repository/free-robux-no-human-verification-or-survey-or-download_GM431946152.pdf
    • http://e-library.akademitelkom.ac.id/repository/how-to-hack-coin-master-2021_GM406889139.pdf
    • http://e-library.akademitelkom.ac.id/repository/coin-master-free-spins-link-whatsapp-group_GM406889139.pdf
    • http://e-library.akademitelkom.ac.id/repository/free-coins-for-coin-master_GM406889139.pdf
    • http://e-library.akademitelkom.ac.id/repository/toolbox-for-minecraft-pe_GM479516143.pdf
    • http://e-library.akademitelkom.ac.id/repository/coin-master-deals_GM406889139.pdf
    • http://e-library.akademitelkom.ac.id/repository/instant-free-spins-coin-master_GM406889139.pdf
    • http://e-library.akademitelkom.ac.id/repository/where-can-i-get-free-spins-for-coin-master_GM406889139.pdf
    • http://e-library.akademitelkom.ac.id/repository/roblox-hacking-website_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b28.bin
e053c9daa4f6dd503f4a3fc6c61c9e5edea7f1ddd827eb8a7a8c5d749ba7e87b		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B28 24780 bytes
font_01_sfnt_off00008349.bin
39a576627da682e915740756597514a1a33942882bdfaf8ae0370b937314ba67		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8349 17892 bytes

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