Malicious PDF — malware analysis report

Static analysis result for SHA-256 55a83cd53cd43c33…

MALICIOUS

PDF

381.5 KB Created: 2015-08-26 10:32:18 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 93405a1558e09ebd0ea2be4afcf04766 SHA-1: e484cfc979ea44365e3b8b0c973ec1aa3ae6fa44 SHA-256: 55a83cd53cd43c337773f21f260cf9047c8f2eb8be8bf058acebf9fe324b91cd
60 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to the presence of a link to a known malicious redirector. The embedded URL points to 'http://botcraftman.ru/', which is flagged as malicious infrastructure. This suggests the document is designed to lure users to a harmful website, likely for phishing or malware delivery. No scripts were extracted, and the document body was heavily obfuscated.

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%B4%D0%B5%D0%BB%D0%BE+%D1%80%D1%83%D0%BC%D1%8F%D0%BD%D1%86%D0%B5%D0%B2%D0%B0+%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://img1.liveinternet.ru/images/attach/c/7//4751/4751914_skachat__igru__worms_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752610_chituy__na__world_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752345_skachat__igru__lara_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005aefa.bin
66ab7d4e1b4d90b3221ce1b1c9d3980adb4c2b32a253beb572cbe16ffbc99718		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AEFA 9116 bytes
font_01_sfnt_off0005c94c.bin
b363ef44cbf60e052e29b78dc9cf8faaf96e4320ef38994fecc636501a063275		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C94C 14948 bytes

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