Malicious PDF — malware analysis report

Static analysis result for SHA-256 43983bc6e6da6f44…

MALICIOUS

PDF

356.1 KB Created: 2015-08-22 09:06:26 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 82731e600e257c7794a4758d8f2e25b9 SHA-1: 3f45eec19d0e583be31d742955d480124b0c8426 SHA-256: 43983bc6e6da6f44c29eab40a259d8312ea7d479fd2b825f059cec335de0d9ae
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. This indicates an attempt to lure the user to a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact 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%9F%D0%BE%D0%B4%D0%B2%D0%BE%D0%B4%D0%BA%D0%B8+%D0%BA+%D0%BF%D0%B5%D1%81%D0%BD%D1%8F%D0%BC+%D0%BD%D0%B0+%D0%BA%D0%BE%D0%BD%D1%86%D0%B5%D1%80%D1%82%D0%B5&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674466_prostuye_notuy_dlya_sintezatora_dlya_nachinayuschih.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674645_skachat_igru_gubka_bob_kvadratnuye_shtanuy_po_motivam_filma.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674578_kalendarno_tematicheskoe_planirovanie_po_basketbolu_dyussh.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00054e11.bin
405572da4aa37cacb3f236668cc70cff13763ab66d7984bdb7756130bcc9c996		 pdf-font-stream PDF embedded font (sfnt) at offset 0x54E11 7952 bytes
font_01_sfnt_off000564fe.bin
f250622ccdcde2de71f258385fe0c88a5e5df90719785c184bff7eadb1c1b590		 pdf-font-stream PDF embedded font (sfnt) at offset 0x564FE 13904 bytes

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