Malicious PDF — malware analysis report

Static analysis result for SHA-256 02f7a2e4eb02474c…

MALICIOUS

PDF

377.5 KB Created: 2015-08-28 03:05:34 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: c1fee11c3d2e969596f1e98e661321d9 SHA-1: c3104f6c114fbbdb1e856a8a3bd802b375173ad5 SHA-256: 02f7a2e4eb02474c0cb0cdeae889630ae33ac834fbfd7516461fbade19c620d3
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is likely part of a phishing or malware distribution chain. No scripts were extracted, but the presence of a malicious link strongly suggests a malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9946

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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BC%D0%BE%D0%B4%D1%8B+%D0%B4%D0%BB%D1%8F+%D1%84%D0%B0%D1%80%D0%BC%D0%B8%D0%BD%D0%B3+%D1%81%D0%B8%D0%BC%D1%83%D0%BB%D1%8F%D1%82%D0%BE%D1%80+2015+%D0%B3%D1%80%D1%8F%D0%B7%D1%8C&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4791/4791032_skachat__drayver__na_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4789/4789786_biss__koduy__na_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4791/4791929_razgadat__chaynvord_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00059e61.bin
acfc364ed45a60758ae396ded51137c645ed47f9f00b5d8811b9c995d2e0dc1a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59E61 8356 bytes
font_01_sfnt_off0005b6ec.bin
5dc9fe64ec80e5709f4f878aaaeb67575a9031d2f3d67400d9889185ec6450b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B6EC 15668 bytes

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