Malicious PDF — malware analysis report

Static analysis result for SHA-256 586b2f732dae6918…

MALICIOUS

PDF

45.6 KB Created: 2021-06-08 22:52:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: dabcd7610966727ab15ae02158647469 SHA-1: a9b59c9fa6e303594a8a7dfe20423cad6ecf375f SHA-256: 586b2f732dae69186891cbac26af9f58f6c06ad6ce407723a6f9d57f12c202e7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document contains lures for an advance-fee scam, specifically promising a 'Roblox Redeem Code Hack'. It embeds a URL that likely leads to a malicious download or further phishing content. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

Heuristics 4

  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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.tw/app/431946152/roblox-redeem-code-hack-game-hack
    • http://www.perpustakaan.baytalhikmah.sch.id//repository/roblox-hack-unlimited-robux_GM431946152.pdf
    • http://perpustakaan.baytalhikmah.sch.id/repository/united-gaming-net-coin-master-hack_GM406889139.pdf
    • http://www.perpustakaan.baytalhikmah.sch.id//repository/robux_GM431946152.pdf
    • http://perpustakaan.baytalhikmah.sch.id/repository/coin-master-working-hack_GM406889139.pdf
    • http://www.perpustakaan.baytalhikmah.sch.id//repository/robuxmatch-com-free-robux_GM431946152.pdf
    • http://www.perpustakaan.baytalhikmah.sch.id/repository/coin-master-hack-spins-apk_GM406889139.pdf
    • http://perpustakaan.baytalhikmah.sch.id/repository/how-to-get-minecraft-coins-for-free_GM479516143.pdf
    • http://perpustakaan.baytalhikmah.sch.id/repository/80-free-spins-coin-master_GM406889139.pdf
    • http://www.perpustakaan.baytalhikmah.sch.id//repository/coin-master-free-chip_GM406889139.pdf
    • http://perpustakaan.baytalhikmah.sch.id/repository/free-robux-games-that-actually-work_GM431946152.pdf
    • http://www.perpustakaan.baytalhikmah.sch.id//repository/minecraft-ps3-free-download_GM479516143.pdf
    • http://www.perpustakaan.baytalhikmah.sch.id//repository/how-to-get-free-robux-without-download-apps-or-survey_GM431946152.pdf
    • http://www.perpustakaan.baytalhikmah.sch.id/repository/roblox-generator_GM431946152.pdf
    • http://perpustakaan.baytalhikmah.sch.id/repository/free-spins-on-coin-master-2021_GM406889139.pdf
    • http://www.perpustakaan.baytalhikmah.sch.id/repository/free-robux-codes-no-verification-2021_GM431946152.pdf
    • http://perpustakaan.baytalhikmah.sch.id/repository/how-to-get-a-free-minecraft-server_GM479516143.pdf
    • http://perpustakaan.baytalhikmah.sch.id/repository/send-me-500-2021-spins_GM406889139.pdf
    • http://www.perpustakaan.baytalhikmah.sch.id/repository/spins-gratis-coin-master-hoy_GM406889139.pdf
    • http://www.perpustakaan.baytalhikmah.sch.id/repository/free-minecraft-java-edition_GM479516143.pdf
    • http://perpustakaan.baytalhikmah.sch.id/repository/how-to-get-robux-for-free-2021_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00005262.bin
f35fb98f6732b2bc15c115d78e48ed01777e4a6c9baf3a0fdab42d510bc9d341		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5262 25828 bytes
font_01_sfnt_off00008ec5.bin
ac3772be1e3cba68bbb426f2ee0136d5ab1deb0024193e90deb7b958b8d32166		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8EC5 18616 bytes

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