Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1f6d27051e4d1c4…

MALICIOUS

PDF

358.6 KB Created: 2015-08-28 11:55:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 44e1d79913a29cdacb0ce4a1b4456a50 SHA-1: cbce0f5b574ab73273008d315b3d4a9f258fbc88 SHA-256: c1f6d27051e4d1c45779d7cdc0c75d429dc33abdfaa90309ba24f88251a1e6aa
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This heuristic firing strongly suggests the document is designed to lure users to a malicious site. The document body is heavily truncated and unreadable, providing no further context. 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=true%D1%82%D0%B5%D0%BD%D1%8C+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802424_skachat__klient__minecraft_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802542_skachat__na__telefon_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4802/4802797_kibergrad__skachat__muzuyku_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054e88.bin
c08df545d63d3d36e3e6b14e56d1a2360b5d4eaff6bc72b3eca7e0862147eea6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54E88 9068 bytes
font_01_sfnt_off0005688a.bin
9340f823424fd1b64efff6925eb7bcf6ab1b8e4f98972dd0fbc251190e30fa43		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5688A 16512 bytes

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