Malicious PDF — malware analysis report

Static analysis result for SHA-256 120f9c8f3f0b9326…

MALICIOUS

PDF

374.9 KB Created: 2015-08-21 09:28:16 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 5d917f87d78f93b0e890e4d6a7c97a90 SHA-1: c2d08870bbaea0c6d73cc9831a7337268c265437 SHA-256: 120f9c8f3f0b932606043c18838f8e5efda955aa43f814822f7b9b5f0f6c2183
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded link to a known malicious redirector URL, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged this PDF with high confidence. While no scripts were explicitly extracted, the presence of a malicious URL strongly suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9940

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%B8%D0%B3%D1%80%D1%83+%D0%BF%D1%80%D0%B8%D0%BD%D1%86%D0%B5%D1%81%D1%81%D1%8B+%D0%B7%D0%B0%D1%87%D0%B0%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%BD%D1%8B%D0%B9+%D0%BC%D0%B8%D1%80+%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://img0.liveinternet.ru/images/attach/c/6//4654/4654737_instrukciya_po_ohrane_truda_yurista.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654823_rech_dlya_zaschituy_diploma_obrazec.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654873_skachat_fayl_licenzii_dlya_avast_premier.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005921c.bin
09fb459879e683d2dfc8cc73cc2ba5e1ddf35ac7fd8b6219c813f55cd1cc695d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5921C 9024 bytes
font_01_sfnt_off0005abc6.bin
74a1b2b45815b1fbbeab958bf92e1d5daf24ad2fff180248a12904d7706d9634		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5ABC6 15564 bytes

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