Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f09d4aad6d2eee9…

MALICIOUS

PDF

369.3 KB Created: 2015-08-23 20:52:14 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 223caf5bd95b57ef207a07034ba1f737 SHA-1: 3afdeae79d140d6c10696ce7638353791ebd3bc7 SHA-256: 8f09d4aad6d2eee97b43d711f35e9b822fd6e0ecd765a600094489f5a38c07e7
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.002 Spearphishing Attachment

The PDF file contains an embedded link identified as a known malicious redirector. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure. The primary IOC is the malicious URL.

Machine Learning

  • Nyx PDF Classifier clean score 0.0637

Heuristics 2

  • 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.
  • 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://botcraftman.ru/?lip&keyword=%D0%B4%D0%B6%D0%BE%D0%BD+%D0%BF%D0%B5%D1%80%D0%BA%D0%B8%D0%BD%D1%81+%D1%82%D0%B0%D0%B9%D0%BD%D0%B0%D1%8F+%D0%B8%D1%81%D1%82%D0%BE%D1%80%D0%B8%D1%8F+%D0%B0%D0%BC%D0%B5%D1%80%D0%B8%D0%BA%D0%B0%D0%BD%D1%81%D0%BA%D0%BE%D0%B9+%D0%B8%D0%BC%D0%BF%D0%B5%D1%80%D0%B8%D0%B8+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005832c.bin
8f8e7bc7f673079e0849ddcbb9ad33231ec6885a7440f02e775e7602e2d204e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5832C 8072 bytes
font_01_sfnt_off00059a86.bin
86f2202e03844db8369e1406c4ca9e1b27aeb4a9261196d0a32ed47c5c4b1296		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59A86 13500 bytes

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