Malicious PDF — malware analysis report

Static analysis result for SHA-256 8eddc105d6e2a5e4…

MALICIOUS

PDF

358.3 KB Created: 2015-08-28 00:11:15 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 960845b11138d874000d3f3dfb0255cd SHA-1: 4d12b99a0955f4d51b3989e14e872956c76ba331 SHA-256: 8eddc105d6e2a5e445f75c501672669fbc03f1573bef96e7bbd631aaf2b0cc00
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 likely part of a phishing or malware distribution chain. 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%BA%D0%BE%D0%BC%D0%BC%D0%B0%D0%BD%D0%B4%D0%BE%D1%81+%D0%B8%D0%BD%D0%B4%D0%B8%D1%8F+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788135_rukovodstvo__po__remontu_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788331_oslik__skachat_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788255_skachat__photoshop__besplatno_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000555df.bin
341d1f8196ffec40c563b5e94d5356384afe6c96c90e5f2d82e5030995b15920		 pdf-font-stream PDF embedded font (sfnt) at offset 0x555DF 7424 bytes
font_01_sfnt_off00056b65.bin
a135b4c7869d3cfda66562b03b92037a6c982817445f0e2660239819504fb12f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56B65 14812 bytes

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