Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b6c067f3f2c0b73…

MALICIOUS

PDF

372.4 KB Created: 2015-08-19 14:22:03 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: bda989d8678d18ef2a543d748a578dc6 SHA-1: 98268b6787d5a2b8057fd8c525bd740ef23f10aa SHA-256: 0b6c067f3f2c0b73fa7100002db87eec33e92795db1aaf8847cc3a97b3e071e2
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/...' is confirmed as malicious. While no scripts were explicitly extracted, the PDF structure and the malicious URL suggest an attempt to lure the user to a compromised site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9943

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%9C%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0+3+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D0%BF%D0%B5%D1%82%D0%B5%D1%80%D1%81%D0%BE%D0%BD+%D1%80%D0%B0%D0%B1%D0%BE%D1%87%D0%B0%D1%8F+%D1%82%D0%B5%D1%82%D1%80%D0%B0%D0%B4%D1%8C+1+%D1%87%D0%B0%D1%81%D1%82%D1%8C+%D0%BE%D1%82%D0%B2%D0%B5%D1%82%D1%8B&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626705_sanitarnuyy_minimum_dlya_mladshih_vospitateley.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626654_rezultatuy_egye_po_geografii_2015_perm.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626533_skachat_programmu_dlya_razdevaniya_foto.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058d75.bin
ef027e18165794a6573c6e4f1b8093e6644213d4584e87be7d7bfbb6a1b91b8d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58D75 8900 bytes
font_01_sfnt_off0005a760.bin
9baf5ea0f79dfdb7686f78aa7342889ff1d23f6f3c5bf23b621c68f43e58ad48		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A760 13208 bytes

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