Malicious PDF — malware analysis report

Static analysis result for SHA-256 e94a49b6dea0299c…

MALICIOUS

PDF

342.3 KB Created: 2015-08-21 09:16:49 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 04ea5449bdecb04a6888192afeb922ff SHA-1: aa958be346d8c1cab26e4e13bab2c8910a902369 SHA-256: e94a49b6dea0299cfa3a9d24882833fb8470a2fbc4275396a8c367807c3069c6
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. The embedded URL points to 'http://botcraftman.ru/', which is identified as malicious infrastructure. This suggests the document's primary purpose is to lure the user to a potentially harmful website.

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%81%D0%B2%D0%B5%D1%80%D1%85%D1%8A%D0%B5%D1%81%D1%82%D0%B5%D1%81%D1%82%D0%B2%D0%B5%D0%BD%D0%BD%D0%BE%D0%B5+5+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D1%80%D0%B5%D0%BD+%D1%82%D0%B2&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654695_kamedi_vumen_2015_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654677_skachat_gta_san_andreas_multipleer_03e_torrent.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005169c.bin
33f706a2ebbcf9ebed8848981548cbc092fe94dd5f79bdbf0b76d86c611a2e98		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5169C 7700 bytes
font_01_sfnt_off00052d41.bin
bcd0a18a370c0db113d63e6eff904b0eb4e41340683fef06f6337080683724af		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52D41 13872 bytes

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