Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4a815f5b47efac0…

MALICIOUS

PDF

354.2 KB Created: 2015-08-21 09:21:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 91f410fdabb2b0f80d5af8012b32831e SHA-1: 75310abb09187f3db0734b28968e05f0ae41aab3 SHA-256: e4a815f5b47efac08a5fbebc6bb2a459552a62aca6aa084db17536bdd506faa0
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is likely part of a phishing or malware distribution chain. No scripts were extracted, and the document body was unreadable, but the presence of the malicious link is sufficient evidence for this assessment.

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%B0%D0%BB%D0%BB%D0%BE%D0%B4%D1%8B+%D0%BF%D0%B5%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%B0%D0%B9%D0%BD%D1%8B+%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//4654/4654732_skachat_whatsapp_na_sony_ericsson_u5i_vivaz.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654727_mount_and_blade_krestonoscuy_put_k_iskupleniyu_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654790_packard_bell_ze7_drayvera.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053e1e.bin
5262628e9342e5df62bcd01716de09af17404bd028c95b3271f27082b53cf0c0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53E1E 8036 bytes
font_01_sfnt_off00055516.bin
f308f73dcc20b39e4ed9e8ed9ee0960acaf5c5638bc6051ddfae8a65efc8192a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55516 17712 bytes

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