Malicious PDF — malware analysis report

Static analysis result for SHA-256 00fa31174978c02c…

MALICIOUS

PDF

354.3 KB Created: 2015-08-27 23:51:50 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: c0b8d87c0d7181c5f653179632f645bb SHA-1: 0b172bf0faadbf6d43c663db540db893ffb6a24c SHA-256: 00fa31174978c02c1b1f889ba1e9f0618f83e77405d23d92c38889c621bc308e
92 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link to botcraftman.ru. This suggests the document's primary purpose is to lure the user to a potentially harmful website. No scripts were extracted, and the document body was unreadable, so the attack pattern is inferred solely from the malicious URL.

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=form+caption+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%B4%D0%BB%D1%8F+%D0%BE%D0%B4%D0%BD%D0%BE%D0%BA%D0%BB%D0%B0%D1%81%D1%81%D0%BD%D0%B8%D0%BA%D0%BE%D0%B2&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787759_skachat__igru__fermer_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788088_skachat__ubisoft__game_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788110_igra__ohota__na_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053d35.bin
255781668c86e3d523592ba5f2ca606b51266828390d8883dd74a2839fa87ea2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53D35 8960 bytes
font_01_sfnt_off00055596.bin
e59a7acf3f233dc4c075725685b69f913654c3e170584cc3428055311d238a79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55596 17172 bytes

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