Malicious PDF — malware analysis report

Static analysis result for SHA-256 6100a432039cda09…

MALICIOUS

PDF

353.3 KB Created: 2015-08-25 22:15:14 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 9cd5044582bd7c8e6b8f4398147395c3 SHA-1: a7971973d499ee8ba0addcfa42f400de3e98a742 SHA-256: 6100a432039cda095c8aec7eab9824f51e4756dfaa35f6d0f8099e3ada710dd5
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, botcraftman.ru, which is a strong indicator of malicious intent. The ML classifier also flagged this PDF with high confidence. While no scripts were explicitly extracted, the PDF structure and the malicious URL suggest it's designed to lure users to a compromised site, likely for phishing or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9897

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=vantage+point+magellan+%D0%BA%D0%B0%D0%BA+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%80%D0%B0%D1%81%D1%82%D1%80&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740546_v__trave__sidel_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740691_skachat__proshivku__dlya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740588_v__kruge__vremen_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053cae.bin
b7d3167c85ed45d53b65904a2e7b97fc56625e9a386a84b612ac570cee323629		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53CAE 9968 bytes
font_01_sfnt_off0005578a.bin
083a0af152ff6b3845cf999dd148fff45423594c21de9d0b3b6e505be5c71887		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5578A 15120 bytes

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