Malicious PDF — malware analysis report

Static analysis result for SHA-256 0aea65567220f770…

MALICIOUS

PDF

356.7 KB Created: 2015-08-29 04:53:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: cb0823e811637042be49450c934a42d5 SHA-1: a7fc0c0951fd0a20e8a91263d6e98d2825e199b0 SHA-256: 0aea65567220f77037a85fe1d07335b85bf21d622255cd14ced6e47635261e2b
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating a phishing or malware distribution attempt. The ML classifier also flagged this PDF with high confidence. While no scripts were extracted, the presence of a malicious URL strongly suggests the intent to redirect the user to a harmful site, likely for credential harvesting or further malware delivery.

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%D0%BE%D0%B4%D1%8B+%D0%BD%D0%B0+%D0%B3%D1%82%D0%B0+%D1%81%D0%B4%D0%B5%D0%BB%D0%B0%D0%BD%D0%BE+%D0%B2+%D1%81%D1%81%D1%81%D1%80&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4819/4819224_klassifikacionnuyy__spravochnik_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818395_skachat__moduy__dlya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818467_uchebnik__angliyskogo__yazuyka_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054c10.bin
3ab3c5d7696d862990a9e9d65460e91093a009056de9d91fb217668d546d5927		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54C10 7456 bytes
font_01_sfnt_off000561e4.bin
20535b5d89ebf2dcd0a1f47a66891273c4de3a3c61d1559dc51ff99faab01c1e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x561E4 15928 bytes

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