Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca3962269097e3ad…

MALICIOUS

PDF

344.9 KB Created: 2015-08-20 08:52:40 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 44dc79ad88b52b7076adaf8b78638244 SHA-1: ee11c07763855db07bfaf59ddc99c4979b00ec12 SHA-256: ca3962269097e3ad000beffa4201fc4534516ad85a0f20e991fae1f5a1578deb
120 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as Pdf.Dropper.Agent-8843733-0. A critical heuristic identified a malicious redirector link within the document body, pointing to http://botcraftman.ru/. This indicates the PDF is designed to lure users to a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-8843733-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8843733-0
  • 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%93%D0%BE%D1%82%D0%BE%D0%B2%D1%8B%D0%B9+%D0%B4%D0%BD%D0%B5%D0%B2%D0%BD%D0%B8%D0%BA+%D0%BF%D0%BE+%D0%BF%D1%80%D0%B0%D0%BA%D1%82%D0%B8%D0%BA%D0%B5+%D0%B1%D1%83%D1%85%D0%B3%D0%B0%D0%BB%D1%82%D0%B5%D1%80%D0%B0&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639529_samouchitel_po_himii_frenkel_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639106_penektomiya_moego_parnya.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4638/4638869_dolzhnostnaya_instrukciya_inzhenera_teployenergetika.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005239d.bin
fbdcf8c999b9a092485bc29d5f5fba17b3ecfbf123941e637320e204c58d0271		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5239D 8380 bytes
font_01_sfnt_off00053bb1.bin
82a733b218d88fae24b6f978f871935b69ef31d49f400f40eb71ea1758494c88		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53BB1 12512 bytes

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