Malicious PDF — malware analysis report

Static analysis result for SHA-256 b311a99570a694cd…

MALICIOUS

PDF

378.4 KB Created: 2015-08-26 10:00:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 51f47f27d0fa3581fb5d2c972b5ce5f5 SHA-1: 22eb1a41ee8fde09e9f07fee8cbaa274da330457 SHA-256: b311a99570a694cd84c069d48c3da7d1602207a6f50315898b1dfce9f79f2f43
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 indicates an attempt to lure the user to a harmful site. The document body is heavily obfuscated and does not provide further clues about the specific intent beyond the malicious link.

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%81%D0%B8%D0%BC%D1%81+3+%D0%BA%D0%B0%D1%80%D1%8C%D0%B5%D1%80%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://img0.liveinternet.ru/images/attach/c/7//4752/4752007_skachat__muzuyku__besplatno_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751504_slushay__tescha__drug_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751771_intel__pentium__b960_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005a69a.bin
28a7a03ff3625813222bd51da27d092344e6d3a4c9e0599cf47dd61e01f969cc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A69A 7760 bytes
font_01_sfnt_off0005bd3f.bin
fe92f5692ea1b17952ee8b7bc6dbf0dd7c42b803d42a20c726be0a65a1872f8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BD3F 14640 bytes

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