Malicious PDF — malware analysis report

Static analysis result for SHA-256 60e0a1b5d298f7bb…

MALICIOUS

PDF

357.1 KB Created: 2015-08-21 09:23:21 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 5e016cb1da92c741cbfd0bb25562f246 SHA-1: e566da5d936291026ac717249b51477681014c12 SHA-256: 60e0a1b5d298f7bb98c74700c302c7c91f0595dcc1c7210f23f8198ac41daa0a
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a malicious redirector link pointing to botcraftman.ru. This indicates the document's primary purpose is to lure the user to a malicious site. The ML classifier also strongly flagged the PDF as malicious. No scripts were extracted, but the presence of a malicious URL suggests a downloader or phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8817301-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8817301-0
  • 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%A1%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%81%D0%B8%D0%BC%D1%83%D0%BB%D1%8F%D1%82%D0%BE%D1%80+%D1%83%D0%B1%D0%BE%D1%80%D1%89%D0%B8%D0%BA%D0%B0&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654801_microsoft_outlook_2010_skachat_besplatno_dlya_windows_7_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654754_scenariy_tatarcha_yana_el_byeyryeme_tamashasuy.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654797_opisanie_obekta_zakupki_po_44fz_obrazec.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054ee5.bin
046fc27cf470e6fee6357b5f7043ebb18fe9200aad7bbcf478bf6d9d60af49e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54EE5 7716 bytes
font_01_sfnt_off00056567.bin
d953972966b2d0bfe7709226f08ed12d425ec10b801c7ff163221989f39652a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56567 15180 bytes

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