PDF static analysis report

Static analysis result for SHA-256 870e70b01fed72d0…

SUSPICIOUS

PDF

35.5 KB Created: 2021-06-26 04:52:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 7a076f85a4770821c9f40a7f7097b3bb SHA-1: c9456173d3c414fa00f984c7a4b2df7ef46a4c07 SHA-256: 870e70b01fed72d04101f497d9646da4a6bc93ebcefe054c25f4eae09a4c00a8
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF contains numerous embedded URLs, many of which are disguised as links to download game-related content such as Robux generators or Minecraft APKs. The ML classifier strongly indicates maliciousness, and the presence of these download lures suggests the file is intended to trick users into downloading further malware or unwanted applications.

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.co/app/431946152/roblox-copyright-free-music-game-hack PDF link annotation
    • http://www.riverkennet.org/uploads/files/files/get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/how-to-get-free-robux-instantly_GM431946152.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/roblox-arcane-adventures-hack_GM431946152.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/hey-google-how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/free-bc-roblox-accounts-2021_GM431946152.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/roblox-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/free-minecraft-for-kids_GM479516143.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/free-roblox-dances_GM431946152.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/coin-master-card-collection-hack-apk_GM406889139.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/noto-clip-hackes-roblox_GM431946152.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/download-roblox-free-on-the-apple-store_GM431946152.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/optifine-pe_GM479516143.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/how-to-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/free-roblox-gift-card-codes-2021-unused_GM431946152.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://www.riverkennet.org/uploads/files/files/coin-master-free-coins-generator_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x31D9 22600 bytes
SHA-256: a468653bfff03dbdcc0f91564a568ee7ed4de3403ef5ce4b49aeed958ab375dd
font_01_sfnt_off0000640e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x640E 19732 bytes
SHA-256: e62313207b92153be12e5d6d9a3f53065d1fd9b01d94b391efd9c8ced33dff11