Malicious PDF — malware analysis report

Static analysis result for SHA-256 935d6d5a4e92e56a…

MALICIOUS

PDF

185.7 KB Created: 2015-07-25 08:43:37 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 5b8014ed2ab27f60d8d9620544e5bbb3 SHA-1: 1b23b2ae65081c17998580c3a59a242b5411f768 SHA-256: 935d6d5a4e92e56a2888cfdc6fe0815c07535e460bed0ebf7e5a929d0e3693a1
60 Risk Score

Malware Insights

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

The PDF file contains an embedded link that points to a known malicious redirector. This indicates the document is likely part of a phishing or malware distribution campaign. No scripts were extracted, and the document body was not sufficiently readable to determine a specific lure. The primary IOC is the malicious URL.

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+%D0%B0%D0%BB%D1%8C%D0%B1%D0%BE%D0%BC+%D0%B3%D0%B0%D0%BC%D0%BE%D1%80%D0%B0+2015+%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://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196267_kak_skachat_video_s_yutuba_bez_programm.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187317_kviddich_s_drevnosti_do_nashih_dney_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4196/4196950_sony_vegas_pro_13_skachat_torrent_na_russkom_32_bit.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002421e.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2421E 3556 bytes
font_01_sfnt_off00024fa1.bin
5787c7b32d523e834cb882f31064e6a2c7775b5f81c7b7abf7116cbec7d7a4f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FA1 14876 bytes
font_02_sfnt_off00027d9b.bin
20022a3da58261568a1d07c35df999c175b04708c1971dcb570f4eed8bc8d7ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D9B 14640 bytes
font_03_sfnt_off0002a8d1.bin
b66d0942a2ab1a5c30a10f44f920d6cad134291011964c69d1a817fd14a6655f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A8D1 6904 bytes
font_04_sfnt_off0002bcec.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BCEC 6084 bytes
font_05_sfnt_off0002cc81.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC81 3752 bytes

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