Malicious PDF — malware analysis report

Static analysis result for SHA-256 cade740692c0cadb…

MALICIOUS

PDF

45.4 KB Created: 2021-06-03 08:46:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)
MD5: 8956d2c785851c39e0ba8214a1e4c6af SHA-1: 27bf7d8738043380d3e2609eeb0f6ffa5110d749 SHA-256: cade740692c0cadbdde32a6cd1bca0af49c2182cad9adcbbfb4978cc5a59696f
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The document presents itself as a game hack or cheat, a common lure for advance-fee scams and malware distribution. It contains multiple embedded URLs pointing to potentially malicious files, including one directly related to 'roblox-tycoon-simulator-walkspeed-script-hack'. The ML classifier also flagged this PDF as malicious. The presence of embedded URLs suggests the document is intended to redirect users to download further malicious content.

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.online/app/431946152/roblox-tycoon-simulator-walkspeed-script-hack-game-hack
    • http://perpus.stfm.ac.id/repository/girl-roblox-avatar_GM431946152.pdf
    • http://perpus.stfm.ac.id/repository/coin-master-free-spins-link-today-new-2021_GM406889139.pdf
    • http://www.perpus.stfm.ac.id/repository/codes-to-get-free-robux_GM431946152.pdf
    • http://www.perpus.stfm.ac.id/repository/coin-master-free-spins-and-coins-today-gift-reward_GM406889139.pdf
    • http://perpus.stfm.ac.id/repository/hack-coin-master-ios_GM406889139.pdf
    • http://www.perpus.stfm.ac.id/repository/free-coin-coin-master_GM406889139.pdf
    • http://perpus.stfm.ac.id/repository/coin-master-free-spin-daily-link_GM406889139.pdf
    • http://www.perpus.stfm.ac.id/repository/coin-master-download-hack_GM406889139.pdf
    • http://perpus.stfm.ac.id/repository/coin-master-daily-free-spins-and-coins_GM406889139.pdf
    • http://perpus.stfm.ac.id/repository/free-robux-no-survey_GM431946152.pdf
    • http://www.perpus.stfm.ac.id/repository/coin-master-35-2-hack_GM406889139.pdf
    • http://www.perpus.stfm.ac.id/repository/make-free-robux_GM431946152.pdf
    • http://perpus.stfm.ac.id/repository/coin-master-daily-free-spins-link-2021-today_GM406889139.pdf
    • http://perpus.stfm.ac.id/repository/pokemon-go-free-coins-hack-2021_GM1094591345.pdf
    • http://perpus.stfm.ac.id/repository/coin-master-free-spins-links-2021_GM406889139.pdf
    • http://www.perpus.stfm.ac.id/repository/coin-master-free-coins-and-spins-hack_GM406889139.pdf
    • http://perpus.stfm.ac.id/repository/how-to-get-free-robux-without-verifying_GM431946152.pdf
    • http://perpus.stfm.ac.id/repository/tiktok-free-like-and-fans_GM835599320.pdf
    • http://www.perpus.stfm.ac.id/repository/roblox-hack-com_GM431946152.pdf
    • http://www.perpus.stfm.ac.id/repository/code-free-robux_GM431946152.pdf
    • http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off00004f70.bin
a4b89562c7a715f634ae91a3457d63f66da5aa7977d0632cbc53cc357188aecd		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4F70 26048 bytes
font_01_sfnt_off00008b17.bin
d658a3d37d5c91755fe87ffadd21a837e364d5779fe788d547e8b12b1f779372		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B17 19536 bytes

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