PDF static analysis report

Static analysis result for SHA-256 89d76b8984bf4c51…

SUSPICIOUS

PDF

33.7 KB Created: 2021-07-05 15:46:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: f2f3e1a342804362eed5ddd190711d3e SHA-1: 13dda086ac5a2867e6f255601074f7c0fce99596 SHA-256: 89d76b8984bf4c518317760f4d9ca0033da7c669bf929f082d49320c4839df90
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs, including one pointing to 'netcdn.tw', which is highly suspicious. The document body and extracted URLs suggest a lure for game-related cheats or hacks, likely intended to lead users to download malware. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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.tw/app/406889139/coin-master-links-for-today-game-hack PDF link annotation
    • http://lib.uho.ac.id/library/repository/how-to-get-free-robux-by-playing_GM431946152.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/minecraft-pe-apk_GM479516143.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/how-many-levels-are-in-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/roblox-hacks-download-free-dll_GM431946152.pdfIn PDF document text
    • http://lib.uho.ac.id/library//repository/how-to-hack-in-roblox-prison-life_GM431946152.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/free-roblox-app_GM431946152.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/haktuts-free-spins_GM406889139.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/roblox-com-redeem_GM431946152.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/coin-master-hack-cheat-generator-coins-and-spins-unlimited_GM406889139.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
    • http://lib.uho.ac.id/library//repository/coin-master-real-hack_GM406889139.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/how-to-get-free-bloxbux-on-bloxburg-roblox_GM431946152.pdfIn PDF document text
    • http://lib.uho.ac.id/library//repository/roblox-com-r_GM431946152.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/roblox-the-conquerors-3-money-hack_GM431946152.pdfIn PDF document text
    • http://lib.uho.ac.id/library//repository/free-spin-coin-master-today_GM406889139.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • http://lib.uho.ac.id/library/repository/free-robux-admin-codes-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F9C 21968 bytes
SHA-256: 59487ceb9dd02ec5e4e3ee661b8c98fafd9b398f7e3b0f38addbefb92a943671
font_01_sfnt_off0000602f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x602F 18524 bytes
SHA-256: 9e2b17a2888e17d335209aec35c43d796348b949677bc7770edd394e7e2bb40c

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