Malicious PDF — malware analysis report

Static analysis result for SHA-256 562422af00e35ffe…

MALICIOUS

PDF

35.3 KB Created: 2021-06-28 00:19:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 62c115fbf464cd46e8a4b27627e3fecb SHA-1: ad712853f9e7ea2abc60440354c5169c762297a2 SHA-256: 562422af00e35ffe7e0c599324c92f8e8a94f6d762fd9d7e2c619a5d1212bd6a
82 Risk Score

Malware Insights

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

This PDF document contains numerous embedded URLs and a prominent external URI pointing to a download site, disguised as a lure for free Roblox accounts and game hacks. The presence of a 'password-protected archive' lure suggests the downloaded content is likely encrypted to evade initial detection. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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/free-roblox-accounts-2021-august-game-hack
    • https://library.elkatarie.ac.id/repository/denisdaily-free-robux-app_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/how-to-hack-roblox-like-a-boss_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/scratchyofficial-free-roblox_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/minecraft-windows-10-hacks_GM479516143.pdf
    • https://library.elkatarie.ac.id/repository/roblox-viechle-simulator-how-to-get-free-cars_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/how-to-hack-roblox-to-find-old-password_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/does-account-stealing-hack-roblox-work_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/free-roblox-birthday-party-invitations_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/is-minecraft-free-on-xbox_GM479516143.pdf
    • https://library.elkatarie.ac.id/repository/roblox-how-to-make-a-shirt-for-free_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/how-to-become-a-hacker-on-roblox-ipad_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/free-army-gfx-roblox_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/free-robuxcom-no-survey_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/get-800-robux-for-free_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/easy-robux-hack-com_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/how-to-hack-elemental-battlegrounds-roblox-cheat-engine_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/minecraft-free-download-chromebook_GM479516143.pdf
    • https://library.elkatarie.ac.id/repository/get-free-stuff-in-roblox_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/how-to-hack-peoples-roblox-accounts_GM431946152.pdf
    • https://library.elkatarie.ac.id/repository/free-robux-generator-2021-gaming_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031e3.bin
05c74955394c874a5ea352cea63441c3b9c14893a3798593b4f2e8a4523fb57d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31E3 22428 bytes
font_01_sfnt_off000063fb.bin
8796be66b0dca2c5c83500bd83fe4c1aca3ee0747c56c4ac40d2a2554688e32b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63FB 19296 bytes

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