Malicious PDF — malware analysis report

Static analysis result for SHA-256 22b4b5947dada9c0…

MALICIOUS

PDF

357.4 KB Created: 2015-08-28 17:40:06 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 931365b978b2af02708c2f0f6503f8a4 SHA-1: d3f10cd2f65d735c913b6963630209229e331fe3 SHA-256: 22b4b5947dada9c02e51612994b8761b95863345468fbabfa0eb11d4130d536c
120 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ClamAV with the signature Pdf.Dropper.Agent-8041291-0. It contains an embedded URL pointing to 'http://botcraftman.ru/', which is flagged as a known malicious redirector. This suggests the document is designed to redirect users to a harmful destination, likely for phishing 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-8041291-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8041291-0
  • 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%B2%D1%81%D1%8E+%D0%B6%D0%B8%D0%B7%D0%BD%D1%8C+%D1%81%D0%BB%D1%8B%D1%88%D0%B0%D0%BB+%D1%81%D0%BB%D0%BE%D0%B2%D0%BE+%D0%B4%D1%83%D1%88%D0%B0+%D0%B8+%D1%81%D0%B0%D0%BC+%D0%BF%D1%80%D0%BE%D0%B8%D0%B7%D0%BD%D0%BE%D1%81%D0%B8%D0%BB+%D1%8D%D1%82%D0%BE+%D1%81%D0%BB%D0%BE%D0%B2%D0%BE+%D1%81%D0%BE%D1%87%D0%B8%D0%BD%D0%B5%D0%BD%D0%B8%D0%B5+%D0%B5%D0%B3%D1%8D&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809375_rabochaya__tetrad__po_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809109_doodle__devil__na_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809291_koduy__k__kopatel_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000547f8.bin
fa77e495fa259bacf3de0e92387a206427b9443ddb732613180fb75e718b040c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x547F8 11744 bytes
font_01_sfnt_off00056918.bin
a3ecac357937bb417e528f3bf77d5fae2d6ef41d8e593336a2827b2a62b3713a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56918 14192 bytes

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