Malicious PDF — malware analysis report

Static analysis result for SHA-256 c9ee45e1259c9d77…

MALICIOUS

PDF

357.0 KB Created: 2015-08-22 08:58:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 9fae0b7ce0e5a75b8709b1e8d87efdee SHA-1: abf92332a2638a75daac8cd69d52cbdb00c1f72b SHA-256: c9ee45e1259c9d773384bc1a2cc45a50f3d95cd4624d249c2857dde17e5368a3
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a critical heuristic indicating a link to known malicious redirector infrastructure. The embedded URL http://botcraftman.ru/... is the primary indicator of malicious intent. No scripts were extracted, and the document body was heavily obfuscated, preventing further analysis of its specific content or purpose beyond the malicious link.

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%BA%D0%B0%D0%BB%D0%B5%D0%BD%D0%B4%D0%B0%D1%80%D0%BD%D0%BE+%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%BE%D0%B5+%D0%BF%D0%BB%D0%B0%D0%BD%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5+%D0%BF%D0%BE+%D0%B1%D0%B0%D1%81%D0%BA%D0%B5%D1%82%D0%B1%D0%BE%D0%BB%D1%83+%D0%B4%D1%8E%D1%81%D1%88&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674467_disciples_3_pererozhdenie_seriynuyy_nomer_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674546_yuriy_antonov_diskografiya_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674476_cronos_baza_dannuyh_torrent.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054e03.bin
423ef0f9230b60c8aed3d1d62ec9a44b62f83bd28af56d697866eacaf3a1576f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54E03 8376 bytes
font_01_sfnt_off00056684.bin
bf6a7354a48f78bc17bae8d610fbe83e853a933965a60cbc0555aed730d8b692		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56684 15116 bytes

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