Malicious PDF — malware analysis report

Static analysis result for SHA-256 9848220b6f74db59…

MALICIOUS

PDF

185.1 KB Created: 2015-07-24 11:19:57 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 7a7cef66d923737183ce38ec1ca5fe05 SHA-1: 170d114c52d18862beb3c5166323b2590d74d703 SHA-256: 9848220b6f74db59c98605967c3fc92aab2239733ee2698c9fc19a0a06a8b0bd
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This suggests the document is designed to lure users to a potentially harmful website. The file was generated by wkhtmltopdf, a tool often used to create PDFs from web content, which could be part of a phishing or malware distribution chain. No scripts were extracted, limiting further analysis of the payload.

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=asus+gpu+tweak+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184723_radeon_x1650_series_drayver_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191586_variantuy_gia_po_russkomu_yazuyku_2015_s_otvetami_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184707_shablon_dlya_raspisaniya_urokov_s_tekstom_dlya_zamenuy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a58e.bin
99cf0b9ed6991de51acaad1b0883b2a228b5c5e4e73d2a1a85f2d05f1579306d		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A58E 7156 bytes
font_00_sfnt_off00023ee8.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23EE8 3556 bytes
font_01_sfnt_off00024c6b.bin
ce17c5d5a592f4fb1878230cc4dafbcafd2e5c9c0df52d41d1a34c70ab48cf75		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24C6B 14740 bytes
font_02_sfnt_off00027a43.bin
5be87f95012604a9fc00e89ecc3a7bae424b191f9bbb5f7530aee28a2ddd3d69		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A43 14652 bytes
font_04_sfnt_off0002ba76.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA76 6084 bytes
font_05_sfnt_off0002ca0b.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA0B 3752 bytes

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