Malicious PDF — malware analysis report

Static analysis result for SHA-256 19168a9bc3e05a8f…

MALICIOUS

PDF

142.3 KB Created: 2015-08-21 09:13:53 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 45a5bfb18b36f766bb085e87338c39d2 SHA-1: e50b536a9e91a2d5bd00128d2e9057c3bcb3d7e3 SHA-256: 19168a9bc3e05a8ffccae747815af6ff2ad71d20e87edd8ea26f23f00a1ee949
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file was identified as malicious due to a critical heuristic firing for a redirector link. This link, http://botcraftman.ru/..., is known to lead to malicious infrastructure. The document body is heavily obfuscated and does not provide further clues about the specific intent beyond the malicious link. No scripts were extracted from this sample.

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%94%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%BF%D0%BB%D0%B5%D0%B5%D1%80%D0%B0+qumo+boxon&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654677_skachat_gta_san_andreas_multipleer_03e_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654675_dnevniki_vampira_10_kniga_ohotniki_obretaya_sudbu_skachat.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001ef1b.bin
ee8bfa65d55254f1c7b8304f8112da8e0086dff4ddc9e5a0585b0dacda4f2504		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1EF1B 9932 bytes
font_01_sfnt_off00020bf4.bin
2166c60d628e619660815c72e4df233f1c72aeb055b2873068ce32238d72968b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x20BF4 14540 bytes

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