PDF static analysis report

Static analysis result for SHA-256 148d669b8f9dae39…

SUSPICIOUS

PDF

34.9 KB Created: 2021-07-04 00:44:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: a8cb8b73cb876e25f7ea3e9a811bde21 SHA-1: 98a4ffaa319bcc7a1c82fa63203e9a2eefc8ccfb SHA-256: 148d669b8f9dae39c502fb88a65bbd8521a59b3024f799c29679432c123b5379
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The document contains a lure for free in-game items and includes a direct link to a suspicious URL, http://netcdn.tw/app/406889139/daily-free-spin-link-for-coin-master-game-hack. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lure suggest an attempt to redirect the user to a potentially malicious site, likely for credential harvesting or malware distribution.

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/daily-free-spin-link-for-coin-master-game-hack PDF link annotation
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/codes-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/free-followers-on-tiktok_GM835599320.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/free-robux-without-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/free-modded-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/how-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/how-to-hack-into-someones-roblox-account_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/get-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/roblox-streets-of-bloxwood-remastered-hack_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/pokemon-go-free-candy-hack_GM1094591345.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/play-coin-master_GM406889139.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/orocash-earn-free-robux_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/all-free-items-in-roblox_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/roblox-lumber-tycoon-hack_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/fondo-roblox-hacker_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/free-minecraft-worlds_GM479516143.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/my-robux_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/cape-roblox-free_GM431946152.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/coin-master-free-spins-app_GM406889139.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/wwwhaktutsin-2021-08-coinmasterfreespinandcoinlinkhtml-m-1_GM406889139.pdfIn PDF document text
    • https://urp.itk.ac.id/asset/backend/upload/ckeditor/files/instagram-free-coin-master-spins_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000032a8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32A8 22252 bytes
SHA-256: 6348ed8718234c4e62110f60e7f56924a88c8a64e19c1213716d23a5b484e805
font_01_sfnt_off00006438.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6438 18768 bytes
SHA-256: 84e60b0c833095dcfc8bdf529583e07b6d46dae7c19f787dcb3f544e86957181

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