Malicious PDF — malware analysis report

Static analysis result for SHA-256 de1849f4fe436a27…

MALICIOUS

PDF

355.8 KB Created: 2015-08-28 00:25:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 65e71b3f8f0df1290bf66927215a9193 SHA-1: 4eaaa487c8a8e2b3b02858a517e412b988047c44 SHA-256: de1849f4fe436a2796b1bcb4e07aeb6c6ddaaecaa8c2173ec5760cd6596e79dc
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 confirmed as malicious. This suggests the document is designed to lure users to a potentially harmful website. 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=%D1%82%D0%B5%D0%BB%D0%B5%D1%84%D0%BE%D0%BD%D0%BD%D1%8B%D0%B9+%D1%81%D0%BF%D1%80%D0%B0%D0%B2%D0%BE%D1%87%D0%BD%D0%B8%D0%BA+%D0%BB%D0%B5%D0%BD%D0%B8%D0%BD%D0%B3%D1%80%D0%B0%D0%B4%D1%81%D0%BA%D0%BE%D0%B9+%D0%BE%D0%B1%D0%BB%D0%B0%D1%81%D1%82%D0%B8&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788002_detskaya__klassicheskaya__muzuyka_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788611_shtatnoe__raspisanie__v_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788380_ekaterina__serial_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005460b.bin
29918a8e3c1a2de93c0d0d5b000c4201c329ddd762539c0aac1bb00860ca453e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5460B 8380 bytes
font_01_sfnt_off00055e66.bin
6a36a8d16710023223e7f745e8911e0f8604175681608f75f9a4f87729cac644		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55E66 15436 bytes

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