Malicious PDF — malware analysis report

Static analysis result for SHA-256 6eb9c93a6747e603…

MALICIOUS

PDF

346.1 KB Created: 2015-08-21 09:16:26 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: d186c511cdd3692cf1df036a84559936 SHA-1: 841bb50851cbbd4566a26125d2d5ec3e143bc7aa SHA-256: 6eb9c93a6747e603162bd8e6ec4be388bcdd9b56f218bc74b7b981289f5d3590
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, specifically for containing a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is highly suspicious and likely serves as a lure to a phishing or malware distribution page. No scripts were extracted, but the presence of the malicious link strongly suggests a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%B2%D0%BE%D0%B4%D0%BD%D0%B0%D1%8F+%D0%B2%D0%B5%D0%B4%D0%BE%D0%BC%D0%BE%D1%81%D1%82%D1%8C+%D0%BF%D0%BE+%D0%B7%D0%B0%D1%80%D0%BF%D0%BB%D0%B0%D1%82%D0%B5+%D0%B1%D0%BB%D0%B0%D0%BD%D0%BA&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654707_fohisha_kizlar.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654706_skachat_nfs_most_vanted_s_russkimi_mashinami.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654683_gippenreyter_skachat_samaya_vazhnaya_kniga_dlya_roditeley.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000529b3.bin
326bbdc11242d75dc1945cf059e4dbb6ca26fdcefce7bb7d2b1e02bc7e8e4a25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x529B3 7876 bytes
font_01_sfnt_off000540b0.bin
b6a76dac34b1a1a09da0a966bfe3bc2b6cca7fbbcdf8216fb9b3e85a669da44b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x540B0 12516 bytes

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