Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e81b0d72530c527…

MALICIOUS

PDF

188.7 KB Created: 2015-07-24 11:32:26 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 521d03da242321832b0c6f85c03fa738 SHA-1: 9ff5d89a78482718a9ed20bed9395d22056bd537 SHA-256: 4e81b0d72530c527dc6af4790c4bcb85612f2a50a7193fcee8d3aca5a55af87c
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, likely for further exploitation or credential harvesting. No scripts were extracted, and the document body was truncated, 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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%81%D0%B5%D1%80%D0%B8%D0%B0%D0%BB+%D0%B2%D0%BE%D1%81%D1%8C%D0%BC%D0%B8%D0%B4%D0%B5%D1%81%D1%8F%D1%82%D1%8B%D0%B5+4+%D1%81%D0%B5%D0%B7%D0%BE%D0%BD+%D0%B2%D1%81%D0%B5+%D1%81%D0%B5%D1%80%D0%B8%D0%B8+%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//4190/4190930_blagodarstvennoe_pismo_voditelyu_tekst.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189294_razdacha_akkauntov_varfeys_2015_sentyabr.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186952_aktivator_dlya_windows_7_maksimalnaya_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024e0f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E0F 3556 bytes
font_01_sfnt_off00025b92.bin
30d0a9e9da712c207094ce4a2ffd53fc997960ab702e2e0ee091b40b9bdd47a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25B92 14768 bytes
font_02_sfnt_off000289c3.bin
67d53b5d93f9c1a2a208a20cc40158f0d1b9c29be983670d6b7c684d37a817b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x289C3 14468 bytes
font_03_sfnt_off0002b473.bin
1787dd4cde58a39cc54e405b8974ee79ea62c6bf9107475254bf57458aa34db4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B473 7036 bytes
font_04_sfnt_off0002c8e1.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8E1 6084 bytes
font_05_sfnt_off0002d876.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D876 3752 bytes

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