Malicious PDF — malware analysis report

Static analysis result for SHA-256 c12a8cbfd9cb80de…

MALICIOUS

PDF

364.0 KB Created: 2015-08-27 16:36:48 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: ae358e762596ee2498de4e48b7127e88 SHA-1: cce879fe4ecc41c5a6ad316d32e7fac6b49900f5 SHA-256: c12a8cbfd9cb80deb64df0236d9ead5b8761e3c676602dbfd5529af6ec39a0a7
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a link to a known malicious redirector. The ML classifier also flagged this PDF with high confidence. The embedded URL is likely intended to lead the user to a malicious site, potentially for phishing or malware distribution. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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%9C%D0%B5%D0%B4%D0%B8%D0%B0%D0%BF%D0%BB%D0%B5%D0%B5%D1%80+%D0%B4%D0%BB%D1%8F+%D0%BD%D0%BE%D0%BA%D0%B8%D0%B0&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4776/4776277_vanish__dlya__kovrov_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4779/4779212_corel__painter__12_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4779/4779521_skachat__fayl__dlya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00056b9f.bin
5a7941242b9e6ad7cc8df450b243b4be5b28c6bc1ec921bf96b62136ff2ce463		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56B9F 8244 bytes
font_01_sfnt_off00058312.bin
0333f9fff8a30f369ecdace54ffc3faf692df9e360820fcdbe6ae10ba8570cc7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58312 14920 bytes

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