Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2c9d622549842d7…

MALICIOUS

PDF

383.2 KB Created: 2015-08-20 09:32:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 4a5da0e12d546e5ab0ca939609f34b1a SHA-1: 8af4fbb93276dbfc29bacd9195ebcc7739eceeb6 SHA-256: b2c9d622549842d7c77a0cd201a1af70cac2713d9054606c53e45ff5421ef64c
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is identified as a malicious redirector. This suggests the document's primary purpose is to lure the user to a potentially harmful website. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

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%9A%D1%80%D0%B0%D1%81%D0%BA%D0%B0+%D0%B2%D0%BE%D0%B4%D0%BE%D1%8D%D0%BC%D1%83%D0%BB%D1%8C%D1%81%D0%B8%D0%BE%D0%BD%D0%BD%D0%B0%D1%8F+%D1%81%D0%B5%D1%80%D1%82%D0%B8%D1%84%D0%B8%D0%BA%D0%B0%D1%82+%D1%81%D0%BE%D0%BE%D1%82%D0%B2%D0%B5%D1%82%D1%81%D1%82%D0%B2%D0%B8%D1%8F&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639201_raspisanie_sluzhb_hrama_utoli_moya_pechali_v_marino.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4640/4640493_skachat_igru_gta_4_dagestan_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4640/4640566_ustinova_kovcheg_marka_skachat_fb2.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005ba28.bin
46a60105fc0dd39d754ee9594c90c62905e35d070a3ab79967fd02ee12522c0a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BA28 8856 bytes
font_01_sfnt_off0005d3f8.bin
6154998c66d18bc8f0d7413f02ee8e6ad9028a9cf1c661b295e65810be839d01		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D3F8 12812 bytes

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