Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c9746ef4927b26e…

MALICIOUS

PDF

357.6 KB Created: 2015-08-21 09:25:52 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 33e47cb9b94f9852902fd5dde2b8db46 SHA-1: b8975deb6b59ca91cc9b8ac16dd5220478986079 SHA-256: 6c9746ef4927b26e896ad349249f95115292b41cbbaca4cf71bea8a9c89bd954
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery. No scripts were extracted, but the presence of a malicious URL is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%D1%80%D1%8F%D0%BA+%D0%B4%D0%BB%D1%8F+%D0%BD%D0%B5%D1%80%D0%BE+7&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654753_skachat_igru_left_4_dead_3_cherez_torrent_licenziya.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654721_film_schenok_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654741_koduy_oshibok_na_opel_vektra_a.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000552ee.bin
3abc63b04557e95ec04c56abbd9765ee67685dcefb0c4adc286649253aad7229		 pdf-font-stream PDF embedded font (sfnt) at offset 0x552EE 7628 bytes
font_01_sfnt_off00056953.bin
370322059759e5a4640750e6774b0224161cff11711f734b1e6189c402ec53b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56953 14656 bytes

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