Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf34df935208996d…

MALICIOUS

PDF

358.8 KB Created: 2015-08-24 00:07:05 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 68d4985ed59b0fab057b79ca4dbf3ddf SHA-1: d66888043a3bfaf64e0b02b33d01458d7684023d SHA-256: cf34df935208996d2274cbafd6fce8e72b5a160f1be314730289b8e6cfef89b2
60 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, botcraftman.ru. This heuristic indicates the document is designed to lure users to a malicious site. The file's metadata shows it was generated by wkhtmltopdf, a tool often used to create malicious PDFs. 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=navi+600+russia+v20132014+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693178_skachat__drayver__na_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693745_gamora__vse__albomuy_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693173_as__filial__sberbank_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054b5e.bin
f75892483e1b17d9990a262d6aacd1ec60a989f1c4391f50abbd3e787dbe0cc6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54B5E 10680 bytes
font_01_sfnt_off00056948.bin
6eeff18f6525f59bc3b079aeab5772e1b7ad7f5276b802ba79bf7cf61ca35fa1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56948 16220 bytes

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