PDF static analysis report

Static analysis result for SHA-256 cdb63267310f152d…

SUSPICIOUS

PDF

40.9 KB Created: 2021-05-15 03:41:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 20bccd0645dcd1c31d489be65c1efd41 SHA-1: 541d8ac9ae8b13478ccab8639f196423123ac7f4 SHA-256: cdb63267310f152dd76a8dc502a1995a8fe36b9d63caeb8c40cd129c1de5c912
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains an embedded URI and multiple other URLs that appear to be lures for downloading game hacks or cheats. The ML classifier strongly flagged this PDF as malicious, and the presence of a visual download button heuristic further supports a malicious intent to trick the user into downloading a payload. The document body is heavily corrupted, preventing a more detailed analysis of its specific content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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.xyz/app/406889139/coin-and-spin-link-game-hack PDF link annotation
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/minecraft-free-ios-2021_GM479516143.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/coin-master-hack-apk-download_GM406889139.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/free-robux-now_GM431946152.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/coinmasterhack-club_GM406889139.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/roblox-mobile-hack_GM431946152.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/minecraft-bedrock-hacks_GM479516143.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/get-me-robux-for-free_GM431946152.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/coin-master-free-coin-hack_GM406889139.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/coin-master-free-attack-hack_GM406889139.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/coin-master-mod-version-free-download-v344_GM406889139.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/roblox-robux-generator-http-freerobuxgenerator-xyz_GM431946152.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/coin-master-hack-apk-free-download_GM406889139.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/minecraft-free_GM479516143.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/minecraft-launcher-download-free_GM479516143.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/free-vip-server-roblox_GM431946152.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/coin-master-hack-cheat-generator-d_GM406889139.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/robux-free-2021_GM431946152.pdfIn PDF document text
    • https://mylittlebigthing.com/assets/images/posts/uploads/files/minecraft-pocket-edition-download-free-pe-calculator_GM479516143.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
stream_003_off00004897.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4897 24360 bytes
SHA-256: b3258cac1314c19687395aea602fc20b0bec68c74e1c5db5a3706473ec7eb4c5
font_01_sfnt_off00007f3a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F3A 17736 bytes
SHA-256: 9fd78c46a16481f8ba83db086433be65d4d5874e7db978b85e0d8aad6b4172bd