Malicious PDF — malware analysis report

Static analysis result for SHA-256 da05eb8c4be7b33d…

MALICIOUS

PDF

187.7 KB Created: 2015-07-24 20:46:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 95f376902864a45b557dbf79c91b85cf SHA-1: 90d47d79f18f6c551cf63afce1dc3e30ec933baf SHA-256: da05eb8c4be7b33d0ec4b3e10f377e157f57d0c9146edb5c59255d68724deca4
60 Risk Score

Malware Insights

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

The PDF file contains a direct link to a known malicious redirector URL. This suggests the document's primary purpose is to lure the user to a potentially harmful website. No scripts were extracted, and the document body was not parsable, limiting further analysis of the exact lure. The file was generated by wkhtmltopdf, a tool often used to create PDFs from web content, which could be leveraged for phishing or malware delivery.

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%B1%D0%BB%D0%B0%D0%BD%D0%BA+%D0%B4%D0%BE%D0%B3%D0%BE%D0%B2%D0%BE%D1%80%D0%B0+%D0%BA%D1%83%D0%BF%D0%BB%D0%B8-%D0%BF%D1%80%D0%BE%D0%B4%D0%B0%D0%B6%D0%B8+%D0%B0%D0%B2%D1%82%D0%BE%D0%BC%D0%BE%D0%B1%D0%B8%D0%BB%D1%8F+2013+%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//4184/4184457_spravka_o_srednem_zarabotke_dlya_centra_zanyatosti_blank_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191494_skachat_rukovodstvo_po_remontu_ford_kuga_2013.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4191/4191681_otvetuy_egye_po_matematike_7_iyunya_2015_dalniy_vostok.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000248e4.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x248E4 3556 bytes
font_01_sfnt_off00025667.bin
6ae2f81509f55e9369d13b58c5286d9e67cb689f6da760b0cb7afd680ce8d856		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25667 14648 bytes
font_02_sfnt_off0002842e.bin
97f92fd29e393ff698cd43fa29ad6c9d7038f7c07614e7ca474835b84ec8b367		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2842E 14468 bytes
font_03_sfnt_off0002aee2.bin
c692c7b86bee307e5c335bd3eeb27a2a94359f7eecc0c8a53f8219ef62d060c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AEE2 7500 bytes
font_04_sfnt_off0002c4fd.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4FD 6084 bytes
font_05_sfnt_off0002d492.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D492 3752 bytes

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