Malicious PDF — malware analysis report

Static analysis result for SHA-256 325043a94779ea75…

MALICIOUS

PDF

349.6 KB Created: 2015-08-25 23:22:20 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: f5a51fcc83d4f62b1d928d2d6b3971b1 SHA-1: 0b13581558384d6a5e6e5a0f5a45763a717b427e SHA-256: 325043a94779ea751e6826a55cc38dba3ba638915c063069d420d9bbcf701c22
90 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector infrastructure at botcraftman.ru. This indicates the file is designed to lure users to a harmful site, likely for credential harvesting or further malware delivery. No scripts were extracted, but the primary malicious functionality is the embedded malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9968

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+%D1%81%D0%B8%D0%BC%D1%83%D0%BB%D1%8F%D1%82%D0%BE%D1%80+%D0%B2%D0%BE%D0%B6%D0%B4%D0%B5%D0%BD%D0%B8%D1%8F+%D0%BF%D0%BE%D0%B5%D0%B7%D0%B4%D0%B0+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4741/4741152_shporuy__po_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4741/4741337_skachat__kompas__3d_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4741/4741375_skachat__microsoft__office_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00052dbb.bin
6aebbc2ab83be7a5d63637eebc708b0fd182ac9c0a199b7e2f8197c54efed1f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52DBB 9352 bytes
font_01_sfnt_off00054826.bin
f307cddf376ecdd0d27e740bdb1c0b7090c991508fa9a69077746015277b1402		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54826 15052 bytes

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