Malicious PDF — malware analysis report

Static analysis result for SHA-256 ddda6a77a56843c3…

MALICIOUS

PDF

369.8 KB Created: 2015-08-25 23:48:41 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 6b6c04c18fbff04d4899889ac297b9e1 SHA-1: 3f7ffc51e9c2af69dec5da9862770759fe7c6552 SHA-256: ddda6a77a56843c3fd88f99b1b3cf0b077295e97f4997d4bdbd43d0bf15e923e
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-9228666-0. Static analysis revealed a critical heuristic firing for a malicious redirector link pointing to 'http://botcraftman.ru/'. This indicates the document is likely designed to lure users to a malicious site, potentially for further exploitation or malware delivery.

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-9228666-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-9228666-0
  • 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%BA%D0%BD%D0%B8%D0%B3%D0%B0+%D0%BF%D0%BE+%D0%B0%D0%BD%D0%B3%D0%BB+%D0%BC%D0%BE%D0%B2%D0%B5+8+%D0%BA%D0%BB%D0%B0%D1%81+%D0%BA%D0%B0%D1%80%D0%BF%D1%8E%D0%BA+%D0%BF%D0%B5%D1%80%D0%B5%D0%B2%D0%BE%D0%B4+%D1%82%D0%B5%D0%BA%D1%81%D1%82%D0%BE%D0%B2&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4742/4742000_kvitanciya__na__oplatu_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4741/4741687_skachat__ukrainskih__kommentatorov_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4741/4741769_skachat__kodovoe__slovo_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000582f1.bin
5f0a13335c1dd62da086cc641b0985cb6886639091b81362f7c65c3238e61149		 pdf-font-stream PDF embedded font (sfnt) at offset 0x582F1 8284 bytes
font_01_sfnt_off00059b35.bin
b47a52d12b262b4b6d6a5b7a00daab9dc9e35c0326f5eed91a9141f1ca9c4cc3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59B35 13920 bytes

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