Malicious PDF — malware analysis report

Static analysis result for SHA-256 92364a3019822466…

MALICIOUS

PDF

348.3 KB Created: 2015-08-24 08:36:54 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: da3d7cf4b9b4e45220d816df8065ba05 SHA-1: bdf9dac1b5259395e9d5bef4b1e36d663320f8b3 SHA-256: 92364a3019822466a8640343f1e2f6ca0efc26a7ea7ad6c947831ec9eade48dd
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The embedded URL points to 'botcraftman.ru', which is classified as a malicious redirector. This suggests the document's primary purpose is to lure the user to a malicious website, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9977

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%88%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD%D1%8B+%D0%B1%D1%83%D0%BA%D0%B2+%D0%B4%D0%BB%D1%8F+%D0%BE%D1%84%D0%BE%D1%80%D0%BC%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4705/4705289_skap__skachat_.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4698/4698794_skachat__z__p_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4699/4699157_kak__sdelat__zvukovuyu_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00052ae8.bin
4186295094a863e620555bc43643230b654202844f311b3c571c7c0071e78e3b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52AE8 10432 bytes
font_01_sfnt_off000547b4.bin
6d6291bb08199b31e10af9d4ecac2f0d6740d687a4d54cb98ba7546b6b077a25		 pdf-font-stream PDF embedded font (sfnt) at offset 0x547B4 13588 bytes

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