Malicious PDF — malware analysis report

Static analysis result for SHA-256 e11f9a15a6db4cce…

MALICIOUS

PDF

366.7 KB Created: 2015-08-23 21:15:55 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-10-12
MD5: 5d1e6c8963ece40598125ea3ee270b46 SHA-1: f2949739c23c601723f897a1e1f2004bd5f75e7b SHA-256: e11f9a15a6db4cce03db92724fa707655e4c34dc93be3c4075842ff1faba3cea
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to lead the user to a harmful site. The ML classifier also flagged this PDF with high confidence. While no scripts were extracted, the presence of a malicious URL is a strong indicator of malicious intent, likely for phishing or malware distribution.

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%B0%D0%BA%D1%82%D0%B8%D0%B2%D0%B0%D1%82%D0%BE%D1%80+%D0%B4%D0%BB%D1%8F+windows+7+%D0%BC%D0%B0%D0%BA%D1%81%D0%B8%D0%BC%D0%B0%D0%BB%D1%8C%D0%BD%D0%B0%D1%8F+32+bit+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4690/4690222_skachat__gta__5_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4690/4690284_skachat__mod__sochi_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4690/4690199_monosov__faerbol__5_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00056b6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56B6E 10224 bytes
SHA-256: 0cf7940436e77eb3aebb464b278b5a9900fd9efae72365cf9fa48296454e5206
font_01_sfnt_off0005896b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5896B 16112 bytes
SHA-256: f5994777b1f8285f68c029cadedd84128ba13fe66ff24aa02c32691ce7fe6f77

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