PDF static analysis report

Static analysis result for SHA-256 cf1ea41e3beff936…

SUSPICIOUS

PDF

49.3 KB Created: 2021-06-06 23:28:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 9a2050834c1fa081db426557267ed858 SHA-1: 1e5d86ef2514e4463b5ece05142b3d8f56066b9d SHA-256: cf1ea41e3beff936f96e431d4ec621f4513820a9650dbf341c889a3cf7cfa365
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous embedded URLs and a document body that advertises hacks for popular games, suggesting a lure for users to download malicious content. The ML classifier also flagged this PDF as malicious. While no scripts were directly extracted, the presence of embedded URLs and the deceptive content strongly indicate an attempt to trick users into visiting malicious sites or downloading malware, likely as a spearphishing attachment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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 https://netcdn.tw/app/431946152/roblox-hack-accounts-2021-game-hack PDF link annotation
    • http://nebraskahospitalityhalloffame.com/images/how-to-get-free-items-on-roblox_GM431946152.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/op-rewards-robux_GM431946152.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/mcpe-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/mobihack-net-roblox-hack_GM431946152.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/coin-master-bonus_GM406889139.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/buy-robux-free_GM431946152.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/free-coin-master-links_GM406889139.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/free-robux-app-2021_GM431946152.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/free-coin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/hack-coin-master-32-mod-apk_GM406889139.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/coin-master-hack-apk-no-survey_GM406889139.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/free-dominus-roblox_GM431946152.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/freer-pro-tiktok_GM835599320.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/coin-master-real-hack_GM406889139.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/coin-master-free-gold_GM406889139.pdfIn PDF document text
    • http://nebraskahospitalityhalloffame.com/images/free-spin-coin-master-game_GM406889139.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000050fb.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50FB 28868 bytes
SHA-256: 43656b7d3e9ee4cf26ab8a50afb4dee9fe623ef812fbac4a6922251f6a24997f
font_01_sfnt_off0000924e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x924E 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off00009bff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9BFF 18828 bytes
SHA-256: 1e8215d17d1bf79a0dad4c061bdca1490df7e1a7766e539e21f057257f111cc6

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