Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9e6bf6b8196d0cc…

MALICIOUS

PDF

360.5 KB Created: 2015-08-19 14:19:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 653b73b4441010ad437891c42c476535 SHA-1: 352dc1fa163d39cc89dea140cbc184b506df37e3 SHA-256: d9e6bf6b8196d0cc4d1fb4365319f99e59b2453e5d30660494e3b279b94bb00e
60 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The embedded URL is 'http://botcraftman.ru/?lip&keyword=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+unturned+300+%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', which is likely intended to trick users into downloading malware. No scripts were extracted from this sample.

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+unturned+300+%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//4626/4626745_filvorduy_otvetuy_android.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626781_rezultatuy_egye_po_literature_2015_moskva.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005568f.bin
d99ac8d9f6908218979aae5c34ec2a6b87212b5f7b5017d58904f7d5857b5ca0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5568F 9724 bytes
font_01_sfnt_off000572dc.bin
bb7c3edf1dbb4255f68f194792893c180d14d107105863a56c21f4c4d0f7cfc7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x572DC 15124 bytes

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