Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9368a3a2a41908f…

MALICIOUS

PDF

374.0 KB Created: 2015-08-21 09:15:34 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: db3cca6d6b2a3870c3440529e56448f3 SHA-1: e44325c4ced997106160665c76dbbe71147e0fa0 SHA-256: e9368a3a2a41908f445e2585348d3cb9dfaf06008928e4873059b1c197d4e9bf
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 direct link to a known malicious redirector URL. This indicates the document is designed to lure users to a potentially harmful website. No scripts were extracted, and the document body was heavily obfuscated, preventing further analysis of its specific content or intent beyond the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9944

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%9F%D0%B0%D0%BE%D0%BB%D0%B0+%D0%B2%D0%BE%D0%BB%D0%BA%D0%BE%D0%B2%D0%B0+%D0%BC%D0%BE%D1%81%D1%82+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D0%B1%D0%B5%D0%B7%D0%B4%D0%BD%D1%83+%D0%BA%D0%BD%D0%B8%D0%B3%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654691_drayvera_dlya_pleera_qumo_boxon.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654683_gippenreyter_skachat_samaya_vazhnaya_kniga_dlya_roditeley.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654684_kogda_budut_izvestnuy_rezultatuy_egye_po_himii_2015.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058abf.bin
5926507ff2c62cca045439760e60d2bbf5aeab153e01feddc853bb675a9b95b1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58ABF 7928 bytes
font_01_sfnt_off0005a1ba.bin
e0ae06dcc4d3c4c0ccde1aef9687e889a466defc69908be51a28f8b1e950ff58		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A1BA 17792 bytes

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