Malicious PDF — malware analysis report

Static analysis result for SHA-256 be068be0c074afba…

MALICIOUS

PDF

355.3 KB Created: 2015-08-21 09:15:23 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: a988e127f05eacd38eef4aceb037da85 SHA-1: 3357a391011d97250685cadeb45508fa1c2c2256 SHA-256: be068be0c074afbaf5c948b183797a756d7d6979df7a32ae1fe9efd7be618d80
90 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9977

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=%D0%BA%D0%BE%D0%B4%D1%8B+%D0%BC%D0%BA%D0%B1-10+%D0%B4%D0%BB%D1%8F+%D1%81%D0%BA%D0%BE%D1%80%D0%BE%D0%B9+%D0%BF%D0%BE%D0%BC%D0%BE%D1%89%D0%B8&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654692_nastolnuye_igruy_dlya_vzrosluyh_skachat_i_raspechatat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654695_kamedi_vumen_2015_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654676_chek_order_sberbanka_shrift.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054971.bin
20b15c7e21ac125f0a62d0de2596764b98f12ced7bfba7588591b9b155be00c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54971 9248 bytes
font_01_sfnt_off00056362.bin
1a23f4fe6e27cf72a88e00ae0d1f44180aca5108f8ffbfb3a36a4a235960c757		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56362 13172 bytes

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