Malicious PDF — malware analysis report

Static analysis result for SHA-256 dde58203a9250e54…

MALICIOUS

PDF

44.7 KB Created: 2021-05-11 04:32:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 6c6d555747b6fb3cd2ed58ee4b90e75b SHA-1: c397db7f6ffb33b99482ff5045bb0f980ca081e1 SHA-256: dde58203a9250e5445f2976cce9a40f2e3703144d766ddbb8e4d364b61a4a071
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document exhibits characteristics of an advance-fee scam, using lures related to free Robux and game hacks. It contains an embedded URI pointing to a suspicious domain, likely intended to lead the user to a malicious website. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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.xyz/app/431946152/websites-that-give-free-robux-game-hack
    • http://lib.mbp.ac.id/repository/free-robux-2021-no-verification_GM431946152.pdf
    • http://lib.mbp.ac.id/repository/free-robux-no-human-verify_GM431946152.pdf
    • http://lib.mbp.ac.id/repository/free-spins-for-coin-master-hack_GM406889139.pdf
    • http://lib.mbp.ac.id/repository/wahoogaming-co-free-robux_GM431946152.pdf
    • http://lib.mbp.ac.id/repository/how-to-get-free-robux-without-downloading-apps_GM431946152.pdf
    • http://lib.mbp.ac.id/repository/coin-master-free-spins-link-2021-app_GM406889139.pdf
    • http://lib.mbp.ac.id/repository/robux-hack-generator_GM431946152.pdf
    • http://lib.mbp.ac.id/repository/real-free-robux-codes_GM431946152.pdf
    • http://lib.mbp.ac.id/repository/coin-master-hack-link_GM406889139.pdf
    • http://lib.mbp.ac.id/repository/daily-free-spins-coin-master_GM406889139.pdf
    • http://lib.mbp.ac.id/repository/coin-master-date-and-time-hack_GM406889139.pdf
    • http://lib.mbp.ac.id/repository/minecraft-java-free-trial_GM479516143.pdf
    • http://lib.mbp.ac.id/repository/how-to-get-minecraft-pocket-edition-for-free_GM479516143.pdf
    • http://lib.mbp.ac.id/repository/roblox-character-free_GM431946152.pdf
    • http://lib.mbp.ac.id/repository/hack-download_GM431946152.pdf
    • http://lib.mbp.ac.id/repository/minecraft-free-download-2021_GM479516143.pdf
    • http://lib.mbp.ac.id/repository/minecraft-building-hacks_GM479516143.pdf
    • http://lib.mbp.ac.id/repository/free-texture-packs-for-minecraft-pe_GM479516143.pdf
    • http://lib.mbp.ac.id/repository/best-minecraft-hacked-client-2021_GM479516143.pdf
    • http://lib.mbp.ac.id/repository/coin-master-hack-mod-apk-free-download_GM406889139.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a4f.bin
244c414052574d820218d3087a66dfc127647a48f71072eab24d655459f8b746		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A4F 27804 bytes
font_01_sfnt_off00008aa8.bin
78a0fcf68a5d31112d03f33f6a87e59a8dd4ec5e5d54fb5213929ff381de215f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8AA8 18944 bytes

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