Malicious PDF — malware analysis report

Static analysis result for SHA-256 0cb1cc9a7fe9e0c6…

MALICIOUS

PDF

376.8 KB Created: 2015-08-24 00:45:21 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 1c2dbb80eb18741744bfb5011a463d65 SHA-1: a3066ddc746074234e2eec9dd51a3cdec6fc4ff7 SHA-256: 0cb1cc9a7fe9e0c67def98cc61ee6bead3aeccca4d04a3a8d73ed99228b079f7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL points to botcraftman.ru, which is identified as a malicious redirector. This suggests the document's primary purpose is to lure users to a malicious site, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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%9A%D0%BE%D0%BD%D1%81%D0%BF%D0%B5%D0%BA%D1%82+%D1%83%D1%80%D0%BE%D0%BA%D0%B0+%D1%80%D0%B0%D0%BD%D0%BD%D0%B8%D0%B5+%D1%86%D0%B8%D0%B2%D0%B8%D0%BB%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D0%B8+%D0%B8%D1%85+%D0%BE%D1%82%D0%BB%D0%B8%D1%87%D0%B8%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5+%D1%87%D0%B5%D1%80%D1%82%D1%8B&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693506_konspekt__zanyatiya__po_.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4694/4694417_testuy__po__yelektrobezopasnosti_.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4693/4693240_invayt__koduy__dlya_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00059d67.bin
a2f4c02ac6d85186fb43dd50b4374da5ba8b24f20c5fd5870497dc3102576905		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59D67 8588 bytes
font_01_sfnt_off0005b5f6.bin
faf3954639ff2035dfbe98bc05dc6e6f19327d0d6820834fc25671ade51cb689		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B5F6 14192 bytes

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