Malicious PDF — malware analysis report

Static analysis result for SHA-256 365e7fe4cad02286…

MALICIOUS

PDF

43.4 KB Created: 2021-06-03 23:50:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: ea2f309333b458596f52dce61501037e SHA-1: 8ec1b7ea74c925ab53b7f03c609491585677020c SHA-256: 365e7fe4cad02286ebe58a8bedf35a185d518816d96e2c7ee2ae262f0486992b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains lures for game-related cheats and hacks, directing users to external URLs that likely host malicious content. The presence of a 'password-protected archive' heuristic suggests a common tactic to bypass security filters by encrypting the actual payload. While no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a malicious workflow designed to trick users into downloading further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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 https://netcdn.online/app/406889139/free-spin-coin-master-hack-2021-game-hack
    • http://library.fikes.upnvj.ac.id/repository/get-free-spins-in-coin-master_GM406889139.pdf
    • http://library.fikes.upnvj.ac.id/repository/coin-master-daily-free-spins-link-2021_GM406889139.pdf
    • http://library.fikes.upnvj.ac.id/repository/coin-master-free-spins-link-today-facebook_GM406889139.pdf
    • http://library.fikes.upnvj.ac.id/repository/hey-google-how-do-you-get-free-robux_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/free-roblox-intros_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/coin-master-unlimited-spins-apk-free-download_GM406889139.pdf
    • http://library.fikes.upnvj.ac.id/repository/free-robux-codes-no-human-verification_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/roblox-ftw_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/play-minecraft-pocket-edition-for-free_GM479516143.pdf
    • http://library.fikes.upnvj.ac.id/repository/robux-link_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/minecraft-hack-client-download_GM479516143.pdf
    • http://library.fikes.upnvj.ac.id/repository/free-robux-no-verification-or-survey_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/robux-com-free_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/download-hack-coin-master_GM406889139.pdf
    • http://library.fikes.upnvj.ac.id/repository/minecraft-pe-hacks_GM479516143.pdf
    • http://library.fikes.upnvj.ac.id/repository/free-robux-com-2021_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/roblox-free-clothes-generator_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/free-robux-offers_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/how-to-hack-roblox-passwords_GM431946152.pdf
    • http://library.fikes.upnvj.ac.id/repository/coin-master-free-spins-link-2021-april_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0000501c.bin
936ea2c02d339e7607f4dd6fe9e539a39acfc134368a251e8037b38f4f310102		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x501C 23904 bytes
font_01_sfnt_off00008670.bin
fb2d798100dc09ab9990163d1a71849b6ff749ff3ac9d3c750144c56980b6f28		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8670 18456 bytes

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