Malicious PDF — malware analysis report

Static analysis result for SHA-256 a8f47e86186677d9…

MALICIOUS

PDF

33.4 KB Created: 2021-07-01 06:24:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 2d7e09a40efd424074cc32044646f5a8 SHA-1: 556daca183566ea680b6e4a60b4ac3e8ca7a9062 SHA-256: a8f47e86186677d97ac43899851ad61d0e4ef661be2e2d0bf68763526cf7f283
102 Risk Score

Malware Insights

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

The PDF document contains numerous embedded links and a document body that promotes game hacking and free in-game currency for platforms like Roblox. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, suggesting a link farm designed to attract users searching for cheats or exploits. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9824

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/how-to-make-hack-scripts-on-roblox-game-hack
    • http://pustaka.fkm.unand.ac.id/repository/roblox-hack-stats-one-piece-millenium_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/free-spins-for-coin-master-2021_GM406889139.pdf
    • http://pustaka.fkm.unand.ac.id/repository/download-minecraft-free-hiapphere_GM479516143.pdf
    • http://pustaka.fkm.unand.ac.id/repository/increible-hack-de-roblox-que-funciona_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/how-to-get-free-robux-2021_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/counter-blox-roblox-offensive-hacks-2021_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/roblox-free-codes-2021_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/roblox-new-football-legends-hack_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/how-to-get-robux-for-free-hack-2021_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/minecraft-games-free-download_GM479516143.pdf
    • http://pustaka.fkm.unand.ac.id/repository/best-script-hacks-roblox_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/roblox-com-free-download_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/como-hacer-que-en-roblox-todo-te-salga-free_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/free-alien-roblox_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/rblx-gg-free-robux-generator_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/claim-free-spins-coin-master_GM406889139.pdf
    • http://pustaka.fkm.unand.ac.id/repository/how-can-i-get-free-spins-on-coin-master_GM406889139.pdf
    • http://pustaka.fkm.unand.ac.id/repository/ways-to-hack-roblox-accounts_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/how-to-gain-robux-for-free_GM431946152.pdf
    • http://pustaka.fkm.unand.ac.id/repository/roblox-vtool-hack_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002b13.bin
cb751b22446fd45606988c85911038d76f85beff44869e6b7e1ef5cdbf1319b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B13 22220 bytes
font_01_sfnt_off00005c7b.bin
f0f7bc8a0c9fe19133d990899522da92cf27353f3e63d616fbba062a028348ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C7B 19416 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.