Malicious PDF — malware analysis report

Static analysis result for SHA-256 bfa158c6205f61fc…

MALICIOUS

PDF

185.7 KB Created: 2015-08-08 09:55:24 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 15dc4cfc61722710ca55d373ee44bbf7 SHA-1: 97087ad05ed0a083d70ec26998bd900ec6cbadd6 SHA-256: bfa158c6205f61fcf9f78ef466ff2e3e791ae3d43ec43fb6c23aafdc40049e43
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF was flagged by a machine learning classifier and contains a link to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is associated with malicious activity. This suggests the document is designed to lure the user to a malicious site, likely for further exploitation or credential theft.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%BC%D0%B5%D1%82%D1%80%D0%BE+%D0%BB%D0%B0%D1%81%D1%82+%D0%BB%D0%B0%D0%B9%D1%82+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%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/6//4384/4384480_semyanin_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384237_portable_coreldraw_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384030_proshivka_modema_e1550.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002447f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2447F 3556 bytes
font_01_sfnt_off00025202.bin
ee5d87249aabc4a003550fa216fa5032d86538f7613536f9a357e2988261222f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25202 15116 bytes
font_02_sfnt_off00028056.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28056 14468 bytes
font_03_sfnt_off0002ab08.bin
f61e95b9ad2d0bd5b4e7b4ba4c1bd6c9e5302df5b684a33c0fbba812e467fc79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB08 6292 bytes
font_04_sfnt_off0002bcd5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BCD5 6084 bytes
font_05_sfnt_off0002cc6a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC6A 3752 bytes

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