Malicious PDF — malware analysis report

Static analysis result for SHA-256 2da797f9fa64186f…

MALICIOUS

PDF

389.4 KB Created: 2015-08-26 19:52:11 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 4bafa101d89ddea152986b8ad1b7671f SHA-1: 5badd91b83625f415ed09d3f3d5a56e4ffaa5201 SHA-256: 2da797f9fa64186f924868409e87af2558113e1ead6531b830dc20044a274834
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, http://botcraftman.ru/. This indicates an attempt to lure the user to a malicious site. The document body is heavily obfuscated and does not provide clear textual clues, but the presence of the malicious URL is a strong indicator of malicious intent. No scripts were extracted from this sample.

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%BF%D1%80%D0%BE%D1%88%D0%B8%D0%B2%D0%BA%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+huawei+u8650+sonic&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4762/4762147_vertinskiy__kokainetka_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4762/4762993_skachat__gta__san_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4762/4762159_tekst__pesni__lyubye_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005c9d0.bin
678132feaba4760ac6d7ebb5bd0b0c633e7aa05704fffdad2a9231f9ca1e90db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C9D0 9972 bytes
font_01_sfnt_off0005e553.bin
0ee095f2755986eb9481bbac1c24e76cdd86181a3ce4a8e9ecbda44aa7fb1426		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E553 15720 bytes

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