Malicious PDF — malware analysis report

Static analysis result for SHA-256 c29062ea509652bf…

MALICIOUS

PDF

346.3 KB Created: 2015-08-28 09:54:00 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: ee144193c23a2bba4841278c8f052dbd SHA-1: 9d6d8d962ec11a36ee37a823e8674676fd27ef7b SHA-256: c29062ea509652bfd8724846f01af3f7a53d769f6e1c89c3bbb7fa2f8a1b708c
90 Risk Score

Malware Insights

MITRE ATT&CK
T1200 Hardware Add-in 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 primary IOC is the malicious URL, which is likely used to direct users to a site hosting malware or phishing content. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9943

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%B8%D0%B3%D1%80%D1%8B+%D0%BD%D0%B0+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+%D0%B1%D0%B5%D0%B7+%D0%B8%D0%BD%D1%82%D0%B5%D1%80%D0%BD%D0%B5%D1%82%D0%B0+%D0%B8+%D0%B1%D0%B5%D0%B7+%D0%BA%D0%B5%D1%88%D0%B0&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788751_goluye_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4795/4795555_skachat__kartinki__flag_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4788/4788560_forma__182n_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000526a2.bin
d1022db900afe22ea4ff104e6a2cda973652ae4e607a19be756a92f9976376de		 pdf-font-stream PDF embedded font (sfnt) at offset 0x526A2 8500 bytes
font_01_sfnt_off00053ed7.bin
280de3af1a795fe472a55c47477a18603d1a6fb9e2d30aa9c9a1051586b4cdf9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53ED7 13288 bytes

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