Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a694c3fec669b84…

MALICIOUS

PDF

345.6 KB Created: 2015-08-27 23:45:05 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 402769e1c9abd871d26c8a769ef9a38f SHA-1: f5013488d865ebba3a272fb753d2a1fd7c1347de SHA-256: 0a694c3fec669b8449cd38318ce9eabce3c84d4ccca2dc232169c2b1ce7c55e7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to known malicious infrastructure, indicating a redirection attempt to a potentially harmful site. The ML classifier also flagged this PDF with high confidence. While no scripts were extracted, the presence of a malicious URL strongly suggests an intent to lure the user to a compromised or malicious domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BD%D0%BE%D0%B6%D0%BD%D0%B8%D1%86%D1%8B+%D0%B4%D0%BB%D1%8F+xp&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787913_skachat__arhikad__16_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787986_diskaid__skachat__besplatno_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787907_platezhnoe__poruchenie__v_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000520ee.bin
69373a0c772f2aee38da5ae02ae92da7d59f4f6ee7f047b032e253e233e9e2cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x520EE 8380 bytes
font_01_sfnt_off000537e9.bin
70627ea10a7f7e7c1d5805754521204c648568e94c2f16f500b5a1348cb54677		 pdf-font-stream PDF embedded font (sfnt) at offset 0x537E9 15308 bytes

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