Malicious PDF — malware analysis report

Static analysis result for SHA-256 2437dc8e0a6bb024…

MALICIOUS

PDF

37.0 KB Created: 2021-05-15 17:01:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 3cf383769e607ff0d113cc788f6aedf7 SHA-1: b996eaa94b29935613cb5bc28340ed0148bf24d3 SHA-256: 2437dc8e0a6bb0247257df741bd6150018e4d4b30b2bca8e10fc75cf1635a355
70 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a link that redirects to a known malicious infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body and embedded artifacts suggest a lure related to a game, with a clear call to action to access a generator. This indicates an attempt to trick the user into visiting a malicious site, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier clean score 0.0334

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/guide-:-coin-master-free-tips-game-hack In 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_off00003367.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3367 25960 bytes
SHA-256: 51005fd006d428ab5f513fbfab356e5635ff78fd1dfa1e0a5845bb12652bb645
font_01_sfnt_off00006f86.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F86 18200 bytes
SHA-256: fdfacab2d625470a4d3b5479a82a6c826f513179de74355829789051bdf7e838

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