Malicious PDF — malware analysis report

Static analysis result for SHA-256 efe470140a521655…

MALICIOUS

PDF

373.6 KB Created: 2015-08-25 22:05:58 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 52e4b72cc68095ed801deeb5d6819a2c SHA-1: b1b8764f82abfbfa709cab18d96578bc4c8b90d6 SHA-256: efe470140a5216556499192688366ae7a49226f60154abbf2c2a7b06aae1e88f
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL 'http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BA%D0%BB%D0%B8%D0%BF%D1%8B+mp4&charset=utf-8' is identified as malicious. This suggests the document is designed to lure users to a malicious site, likely for further exploitation or credential harvesting.

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%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BA%D0%BB%D0%B8%D0%BF%D1%8B+mp4&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740551_klyuch__dlya__igruy_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740560_primeruy__pisem__na_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740549_win__7__32_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058aeb.bin
a7c463feb0db385c7bbb32a251776ebf14d61c01787995d10c33c53a194c06a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58AEB 7960 bytes
font_01_sfnt_off0005a17c.bin
67042d1128bcbe88e5c95abfa9d7080316fd33290e3418ef39d028294b089581		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A17C 17472 bytes

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