Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5d3ea6637c2a085…

MALICIOUS

PDF

369.8 KB Created: 2015-08-28 17:25:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 55b4dfa0dff87a3f1292842646e7ec00 SHA-1: 7d9137ad9e2c2dc70fc3d8e898feaa6cba55043f SHA-256: d5d3ea6637c2a0856ddabb19a50c3085a7218f44c5d8e9d84c5b5acd7925481b
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to botcraftman.ru. ClamAV also detected the file as Pdf.Dropper.Agent-8621745-0. This indicates the file's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or malware delivery.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8621745-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8621745-0
  • 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%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%BF%D0%BE%D1%81%D0%BE%D0%B1%D0%B8%D0%B5+%D0%BD%D0%B0+%D1%81%D0%BB%D0%B5%D1%81%D0%B0%D1%80%D1%8F+%D0%B8%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BA%D0%BC%D0%B5%D0%BD%D1%82%D0%B0%D0%BB%D1%8C%D1%89%D0%B8%D0%BA%D0%B0&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809108_skachat__albomuy__gruppuy_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809102_skachat__zvuk__hrusta_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000584e2.bin
a14c730eae5151222aae3da34af2eee774430c239704ce5cb3a6f400467a8de4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x584E2 8576 bytes
font_01_sfnt_off00059d4a.bin
c273b835a5148d108537bd787f2fff602fa5a449e0d17dab01ff35779de17536		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59D4A 13292 bytes

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