Malicious PDF — malware analysis report

Static analysis result for SHA-256 1eb3445e2875fb33…

MALICIOUS

PDF

35.0 KB Created: 2021-06-29 06:43:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 4d64faa0cad4b32b7d4caadaf4a306b4 SHA-1: d65b09975cd9d27b4b827c3f721334c1125da1cd SHA-256: 1eb3445e2875fb33baccc9fdd08239efc14a712c7675ff97b638f4649d510ef9
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains numerous embedded URLs and a document body that explicitly advertises hacks and cheats for popular games like Roblox and Coin Master. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests that the user is prompted for a password, likely to decrypt a malicious payload within an archive. The ML classifier strongly flagged this PDF as malicious, indicating a high probability of a malicious workflow.

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/pinapple-outfit-hack-roblox-royale-high-game-hack
    • http://library.unissula.ac.id/fk//repository/tiktok-free-hearts_GM835599320.pdf
    • http://library.unissula.ac.id/fk/repository/roblox-hack_GM431946152.pdf
    • http://library.unissula.ac.id/fk/repository/btools-hack-script-roblox_GM431946152.pdf
    • http://library.unissula.ac.id/fk/repository/pokemon-go-windows-free-download_GM1094591345.pdf
    • http://library.unissula.ac.id/fk/repository/free-roblox-avatar-clothing_GM431946152.pdf
    • http://library.unissula.ac.id/fk/repository/inf-robux-hack_GM431946152.pdf
    • http://library.unissula.ac.id/fe/repository/coin-master-online-hack-no-survey-no-password_GM406889139.pdf
    • http://library.unissula.ac.id/fk//repository/roblox-games-that-give-you-free-robux_GM431946152.pdf
    • http://library.unissula.ac.id/fe/repository/free-roblox-injectors_GM431946152.pdf
    • http://library.unissula.ac.id/fk/repository/how-to-hack-someones-roblox-account-2021_GM431946152.pdf
    • http://library.unissula.ac.id/fe/repository/cheat-codes-for-zombie-apocalypse-roblox_GM431946152.pdf
    • http://library.unissula.ac.id/fe/repository/free-robux-redeem-codes-2021_GM431946152.pdf
    • http://library.unissula.ac.id/fk//repository/minecraft-switch-free_GM479516143.pdf
    • http://library.unissula.ac.id/fe/repository/coin-master-free-spins-no-survey_GM406889139.pdf
    • http://library.unissula.ac.id/fe/repository/coin-master-hack-apk-android-1_GM406889139.pdf
    • http://library.unissula.ac.id/fk/repository/tiktok-free-blue-tick_GM835599320.pdf
    • http://library.unissula.ac.id/fk/repository/how-to-get-free-robux-without-verification_GM431946152.pdf
    • http://library.unissula.ac.id/fk/repository/how-to-get-free-antlers-in-roblox_GM431946152.pdf
    • http://library.unissula.ac.id/fk/repository/how-to-get-minecraft-for-free-on-xbox_GM479516143.pdf
    • http://library.unissula.ac.id/fe/repository/coin-master-facebook-hack_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f93.bin
c9f46ef9185e9cee79c022baca2be6d8313b2135e86f526913053372c4079299		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F93 22612 bytes
font_01_sfnt_off00006227.bin
d6e12f9a8a1de2b2d66b54d27626d9779ae71b78bbd446518f4549898f551833		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6227 19696 bytes

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