Malicious PDF — malware analysis report

Static analysis result for SHA-256 f312614162db903e…

MALICIOUS

PDF

386.2 KB Created: 2015-08-22 08:59:56 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 62fcab05bd5c306de221fec1ef4f3b69 SHA-1: 9b78514ab7108d5fe8c6a198ec2b3f217fcf4d98 SHA-256: f312614162db903efa9cfd61414d284067997827cb4bfb3c0ea5bf0bfc12db4c
60 Risk Score

Malware Insights

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

The PDF file was flagged for containing a link to a known malicious redirector. This indicates a likely attempt to lure the user to a malicious website for phishing or malware distribution. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact lure. The primary IOC is the malicious redirector URL.

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+%D1%81%D0%B5%D1%80%D0%B8%D0%B0%D0%BB+%D0%BC%D0%BE%D0%BB%D0%BE%D0%B4%D0%B5%D0%B6%D0%BA%D0%B0+2+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%D0%B2%D1%81%D0%B5+%D1%81%D0%B5%D1%80%D0%B8%D0%B8+%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//4674/4674457_otvetuy_na_gia_po_literature_9_klass_2015.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674554_skachat_makros_dlya_x7_warface_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674510_naputstvie_vuypusknikam_11_klassa_ot_klassnogo_rukovoditelya.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005bffb.bin
ae0ffc0397bae9dfe4a585306ae3bcd55c2e7b0951256b83f7fcb0e790549e5f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BFFB 8224 bytes
font_01_sfnt_off0005d7f0.bin
fde6f8c7f7878b8e5be065bb96c527c096bfdad151809ccfefdd37eba69ad918		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D7F0 15980 bytes

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