Malicious PDF — malware analysis report

Static analysis result for SHA-256 dce3ed1bafad7595…

MALICIOUS

PDF

377.2 KB Created: 2015-08-29 03:04:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: ea44d5b6aefb0d1212d67002c5fac204 SHA-1: cd206623a62d28659502cf602ad379bea0da0e2b SHA-256: dce3ed1bafad7595ceaa5542319938eeef80da5fd5767fd7db1c18308bd3f9b9
92 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. The embedded URL points to 'botcraftman.ru', which is associated with malicious activity. This suggests the document is designed to lure users to a potentially harmful website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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%B4%D0%BE%D0%BB%D0%B6%D0%BD%D0%BE%D1%81%D1%82%D0%BD%D0%B0%D1%8F+%D0%B8%D0%BD%D1%81%D1%82%D1%80%D1%83%D0%BA%D1%86%D0%B8%D1%8F+%D0%B7%D0%B0%D0%B2%D0%B5%D0%B4%D1%83%D1%8E%D1%89%D0%B5%D0%B3%D0%BE+%D1%81%D1%82%D0%BE%D0%BC%D0%B0%D1%82%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%BC+%D0%BE%D1%82%D0%B4%D0%B5%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5%D0%BC&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818589_aktivaciya__windows__7_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818778_shtreker__russkiy__yazuyk_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817518_igra__spanch__bob_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00059c7f.bin
683fdc82ba287dc3beb59b9f29816667504952e02e9055825c5867949a431bcb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59C7F 8308 bytes
font_01_sfnt_off0005b4d4.bin
ec4fe7a96707ad0b9019aab9860ea72ed063b6cb71bebf7375fe71a27eb98b11		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B4D4 15428 bytes

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