Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bf2d65de7c8d1f1…

MALICIOUS

PDF

358.9 KB Created: 2015-08-26 12:11:12 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: b45d6d222b7007126c39b4ef55841da9 SHA-1: 000f4fa5c7945e69b74db4e29327faef398800d6 SHA-256: 3bf2d65de7c8d1f1ab17c71195b6397579909e40644f0e529b65621aa44c36c2
90 Risk Score

Malware Insights

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

The PDF contains an embedded link to a known malicious redirector, http://botcraftman.ru/. This indicates the file is designed to lure users to a malicious site. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted, but the presence of the malicious URL is sufficient evidence for the attack pattern.

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%88%D0%BF%D0%B0%D1%80%D0%B3%D0%B0%D0%BB%D0%BA%D0%B8+%D0%BF%D0%BE+%D0%B7%D0%B0%D1%80%D1%83%D0%B1%D0%B5%D0%B6%D0%BD%D0%BE%D0%B9+%D0%BB%D0%B8%D1%82%D0%B5%D1%80%D0%B0%D1%82%D1%83%D1%80%D0%B5+19+%D0%B2%D0%B5%D0%BA%D0%B0&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752624_vuyhodil__na__polya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752216_tegi__dlya__skrapbukinga_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4753/4753583_skachat__kveyk_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055408.bin
857a9939a6539386c1ff7cc7b839456e665aa994b9f8303f19d83989cebd1b98		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55408 10276 bytes
font_01_sfnt_off0005707f.bin
fc19c62b06fd3bed379fdcd368ed48c85905d6e2bb4308738be12e33647cfa4a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5707F 13564 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.