Malicious PDF — malware analysis report

Static analysis result for SHA-256 15e292e34e54d32a…

MALICIOUS

PDF

378.0 KB Created: 2015-08-26 09:48:52 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: f675ea2b79e634e297cdc5d098d064c5 SHA-1: 306d1f22329766fd1fcdbccabf3896105dc2de2b SHA-256: 15e292e34e54d32a2c0c90228d0f6a6697d57762f1bebe272b99ce464c341737
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains embedded links that point to a known malicious redirector. This suggests the document is designed to lure users to a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, but the presence of malicious links is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9972

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%BA%D0%BD%D0%B8%D0%B3%D0%B8+%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D1%80%D0%B8%D0%B0%D0%BB%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D0%B8+%D0%BC%D1%8B%D1%81%D0%BB%D0%B5%D0%B9&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751777_audioknigi__lyubovnuye__romanuy_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751717_skachat__foto_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751566_skachat__prilozhenie__vkontakte_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005a505.bin
8a9113f0f8fe7b0afcba6aa797313db6a5d24b188d41dd8ceee2248bf191a744		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A505 7956 bytes
font_01_sfnt_off0005bb9a.bin
927b3822a4d1b66dcef1d7676a7b3befced35dddd6c3ebaa4ede0b68e9511e4e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BB9A 14452 bytes

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