Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f864ae246d014dd…

MALICIOUS

PDF

390.0 KB Created: 2015-08-24 01:39:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: a2382df596bd163a8d5e66aa5359923c SHA-1: 0e4faef975e93ddcd9d7ac9ff73f81faa8d6c0c4 SHA-256: 6f864ae246d014dd95d2bd468606c5de58d5cc9cfd12a2917669a9376584d48c
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 points to 'botcraftman.ru', which is flagged as malicious. While no scripts were extracted, the presence of a malicious link strongly suggests an attempt to lure the user to a compromised site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9951

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=%D1%82%D0%B0%D0%B1%D1%83+5+%D1%81%D0%BC%D0%BE%D1%82%D1%80%D0%B5%D1%82%D1%8C+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC+%D1%8F%D0%B7%D1%8B%D0%BA%D0%B5+1986&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4694/4694006_skachat__asfalt__8_.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4692/4692981_skachat__igru__god_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693479_shema__spuskovogo__mehanizma_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005cf5e.bin
d7bce4a8e389d8443b586950d36544beb912b9738568aa4ec096ecdb6c2a9999		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CF5E 8532 bytes
font_01_sfnt_off0005e85c.bin
0696ad82ba5ee249a8acb65af4ff71cbfb380d27b5aedbb1d933f6acda5ac487		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E85C 15432 bytes

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