Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7384b0478054b3b…

MALICIOUS

PDF

36.2 KB Created: 2021-06-17 17:25:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 241699b0a459bc66decc4fb43766947f SHA-1: ab96f3dd823929ff4cfdd537de65e309773bc9ba SHA-256: f7384b0478054b3b9d4f7a4e852157ea0a6c0072989b3468e6a3f39c0203ff6a
122 Risk Score

Malware Insights

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

The PDF document contains a lure for downloading game cheats, specifically mentioning 'Roblox Mod Apk'. It also includes heuristics indicating a social engineering attack that instructs the user to execute commands via Win+R or a terminal. The embedded URL points to a potential payload download. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 5

  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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/download-cheat-roblox-mod-apk-game-hack
    • http://lib.smklabor.sch.id/repository/how-to-get-free-robux-with-no-verification_GM431946152.pdf
    • http://lib.smklabor.sch.id/repository/how-to-get-free-robux-without-paying_GM431946152.pdf
    • http://lib.smklabor.sch.id/repository/free-robux-games-on-roblox_GM431946152.pdf
    • http://lib.smklabor.sch.id/repository/hack-minecraft_GM479516143.pdf
    • http://lib.smklabor.sch.id/repository/paginas-para-hackear-roblox_GM431946152.pdf
    • http://lib.smklabor.sch.id/repository/8x9roblox-hack-free-robux_GM431946152.pdf
    • http://lib.smklabor.sch.id/repository/copy-and-paste-to-terminal-robux-hack_GM431946152.pdf
    • http://lib.smklabor.sch.id/repository/how-much-pokemon-go-free-account_GM1094591345.pdf
    • http://lib.smklabor.sch.id/repository/free-roblox-bloxburg_GM431946152.pdf
    • http://lib.smklabor.sch.id/repository/minecraft-java-server-hosting-free_GM479516143.pdf
    • http://lib.smklabor.sch.id/repository/coin-master-daily-spin-link-app_GM406889139.pdf
    • http://lib.smklabor.sch.id/repository/roblox-easy-robux-cheat_GM431946152.pdf
    • http://lib.smklabor.sch.id/repository/free-executor-roblox_GM431946152.pdf
    • http://lib.smklabor.sch.id/repository/free-robux-for-kids-no-verification_GM431946152.pdf
    • http://lib.smklabor.sch.id/repository/minecraft-bedrock-download_GM479516143.pdf
    • http://lib.smklabor.sch.id/repository/coin-master-hack-root_GM406889139.pdf
    • http://lib.smklabor.sch.id/repository/coin-master-apk-hack-3527_GM406889139.pdf
    • http://lib.smklabor.sch.id/repository/coin-master-rewards-free-spins_GM406889139.pdf
    • http://lib.smklabor.sch.id/repository/what-games-on-roblox-give-you-free-robux_GM431946152.pdf
    • http://lib.smklabor.sch.id/repository/how-to-find-coin-master-free-spin-link_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000339c.bin
ee491c3e5c092f3a4d7a22503e96c1e88d248ff47c1d6161fb6ae2c3828c25a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x339C 22656 bytes
font_01_sfnt_off00006662.bin
69cb3e1063ee1d5a491283c3d7b094b347646644e5c121010fe67a002c987981		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6662 19804 bytes

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