Malicious PDF — malware analysis report

Static analysis result for SHA-256 a66cda156cd85c22…

MALICIOUS

PDF

347.3 KB Created: 2015-08-28 01:23:42 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 6b59da7de2fbf35e2b59b8abf1859d38 SHA-1: 18fd53eb20d7d2afe5eff7ae43e2dc62f9ed13e3 SHA-256: a66cda156cd85c22eb78761e3938ebf27e0021f218afd60bb229a8feeabe6c44
60 Risk Score

Malware Insights

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

The PDF contains a heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL http://botcraftman.ru/... is identified as a malicious redirector. This suggests the PDF is designed to lure users to a potentially harmful website. No scripts were extracted, and the document body was unreadable, 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=html+%D0%BA%D0%BE%D0%B4+%D1%80%D0%B0%D0%B7%D0%B2%D0%B5%D1%80%D0%BD%D1%83%D1%82%D1%8C+%D1%81%D0%B2%D0%B5%D1%80%D0%BD%D1%83%D1%82%D1%8C+%D1%82%D0%B5%D0%BA%D1%81%D1%82&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787838_geroi__mecha__i_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787872_skyrim__18__skachat_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4789/4789008_kniga__domashniy__trening_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000522fb.bin
199bbe1b99baca8dad571d4af39d8e67491f12a809ebf0931ce2583f5275ac8b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x522FB 8320 bytes
font_01_sfnt_off00053afd.bin
60cd292badeba463d30d0a7fe3fc02bb48807425739d9661d4039dbccf9cd2db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53AFD 16288 bytes

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