Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d65b385a86d3b23…

MALICIOUS

PDF

186.9 KB Created: 2015-07-26 06:17:59 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 89226dd1e940ca18f794aba245d64236 SHA-1: b05805397f45f1e72ee02be035bc3d5cf237cb09 SHA-256: 9d65b385a86d3b2331e7935cdfa269a64cc7710ee008dcd6007859ccf37c49e0
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link. The embedded URL 'http://botcraftman.ru/?lip&keyword=%D0%92%D0%B0%D1%80%D1%82%D0%B0%D0%BD%D0%BE%D0%B2%D0%B0+%D0%BE%D1%81%D0%BD%D0%BE%D0%B2%D1%8B+%D0%BC%D0%B5%D0%B4%D0%B8%D0%B0%D0%B1%D0%B8%D0%B7%D0%BD%D0%B5%D1%81%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8' is known to lead to malicious infrastructure. No scripts were extracted, but the presence of this link strongly suggests a phishing or malware delivery attempt. The document's metadata indicates it was generated by wkhtmltopdf, a tool often used to create PDFs from web content, which could be part of the lure.

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=%D0%92%D0%B0%D1%80%D1%82%D0%B0%D0%BD%D0%BE%D0%B2%D0%B0+%D0%BE%D1%81%D0%BD%D0%BE%D0%B2%D1%8B+%D0%BC%D0%B5%D0%B4%D0%B8%D0%B0%D0%B1%D0%B8%D0%B7%D0%BD%D0%B5%D1%81%D0%B0+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4206/4206337_nudizm_foto_semeynuyy.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192577_konverter_mswrd632_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188364_skachat_gluhar_4_sezon_cherez_torrent_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024713.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24713 3556 bytes
font_01_sfnt_off00025496.bin
39f82794561403918e657a1826bc2b4b45a7af07c9391e4c4de8a5e5c443f5a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25496 14848 bytes
font_02_sfnt_off000282fd.bin
b1e1cc546f0f1eacb0fa825f4ffec9a121aa6720056131ecd420011035d35d0d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x282FD 14680 bytes
font_03_sfnt_off0002adc3.bin
e7c37c1a637df174e0e6a18c7031bebd07915836d692c51eea50c3c6a854171a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2ADC3 6964 bytes
font_04_sfnt_off0002c1df.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C1DF 6084 bytes
font_05_sfnt_off0002d174.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D174 3752 bytes

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