Malicious PDF — malware analysis report

Static analysis result for SHA-256 180e334d2893e565…

MALICIOUS

PDF

34.9 KB Created: 2021-05-21 04:19:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 47a71cb9484ef00241f78f479665cd71 SHA-1: 2a269c6d8a5d75d35f9ed08bc9fbf3a03c76f176 SHA-256: 180e334d2893e565608905964db0fad81496f59e8964228777b86f3388c33763
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a fake CAPTCHA lure, designed to trick users into interacting with the document. It also embeds multiple URLs, including one that appears to be a download link for a 'tiktok-free-movie-website-game-hack'. The presence of these elements strongly suggests a phishing or social engineering attack aimed at delivering malware or redirecting users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9508

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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/835599320/tiktok-free-movie-website-game-hack PDF link annotation
    • https://reggieslockandkey.com/images/tiradas-coin-master_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-golden-card-hack_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/roblox-trolling_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-minecraft-coins_GM479516143.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-robux-download_GM431946152.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_002_off00003103.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3103 23756 bytes
SHA-256: 5cb2613e7bc4cb68a55953e4ab4ed1adabdf010e3eca56250c7b340bfba23bb8
font_01_sfnt_off00006731.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6731 18120 bytes
SHA-256: 60b0ef622407c6daa306ab54b6327bdefbf987f715c1c86020f55c651438883f

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