Malicious PDF — malware analysis report

Static analysis result for SHA-256 028f0aae1a991767…

MALICIOUS

PDF

376.5 KB Created: 2015-08-19 14:16:51 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: fda031698e6f709c63df749041a34cb4 SHA-1: d27cb7ef1bb3f660d115f7258cac631cb06b643f SHA-256: 028f0aae1a991767b7a6e19b46346aeac46f2a679c219c52e9b1ad605c42d5e4
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classifier's high confidence score suggest malicious intent. The document's purpose appears to be phishing or malware distribution via the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9940

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+%D0%BD%D0%BE%D0%B2%D1%8B%D0%B9+%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC+%D1%81%D1%82%D0%B0%D1%81%D0%B0+%D0%BC%D0%B8%D1%85%D0%B0%D0%B9%D0%BB%D0%BE%D0%B2%D0%B0+2015+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626480_metro_2035_kniga_chitat_onlayn.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626495_rezultatuy_gia_po_matematike_2015_volgograd.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626710_sanminimum_voprosuy_otvetuy_dlya_vospitatele_yzip.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000599e7.bin
996edb013d43237987b566df383d3cb6bd0ffce4cee113a0fc66de51868fbd9d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x599E7 10172 bytes
font_01_sfnt_off0005b6e2.bin
60a61c3250757af45a18917c1c02c04d40ecbb6c289e0da5256d9bf582199ca5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B6E2 13532 bytes

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