Malicious PDF — malware analysis report

Static analysis result for SHA-256 9bbaa94af9caf997…

MALICIOUS

PDF

373.7 KB Created: 2015-08-28 00:08:22 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 2c7afad0d0703963dbc3ee56733cdc0b SHA-1: fd95aefd31463dea0ee1ee82b190b9381f4bab56 SHA-256: 9bbaa94af9caf99781b9228716ca61b75679c7cc6bbda86b1913bff8e784d4ed
92 Risk Score

Malware Insights

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

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 the primary indicator of malicious intent, suggesting the document is designed to lure users to a compromised or malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9902

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%B1%D1%80%D0%B0%D1%82%D1%8C%D1%8F+2012+16+%D1%81%D0%B5%D1%80%D0%B8%D0%B9+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D1%84%D0%B8%D0%BB%D1%8C%D0%BC+%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%BC%D1%83%D0%BB%D1%8C%D1%82%D1%84%D0%B8%D0%BB%D1%8C%D0%BC&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788223_metod__franka__angliyskiy_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4787/4787802_kak__skachat__shemu_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788464_skachat__ufs__dlya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005866b.bin
fef52e3793f5517782c5b65bc87da4f785f0e7cfa8b1965e17d5127d707b14b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5866B 9692 bytes
font_01_sfnt_off0005a1e1.bin
b2f7ac5c2a80b882a6ffc513920e91ea6ce2420f5c0382b265c46a0bb86fcc17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A1E1 17164 bytes

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