Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2261726c841d747…

MALICIOUS

PDF

362.0 KB Created: 2015-08-22 09:19:51 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 1c034e87b63fff8cc33941b2ae717bef SHA-1: fef3093fe71c4149a098427bcf2a598755f3e25b SHA-256: f2261726c841d747ebd55421349eea6aaf36810eb2d898f6b1828f20d560437c
90 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is flagged as malicious. This suggests the document's primary purpose is to lure the user to this site, likely for a phishing attack or to download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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%82%D0%B5%D0%BC%D1%8B+%D0%B4%D0%BB%D1%8F+samsung+gt-s5230+la+fleur&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674721_skachat_besplatno_korotkometrazhnuye_multiki_v_3d_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674695_skachat_maynkraft_080_na_planshet.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674819_igra_semki_dlya_android.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055d03.bin
5c74342477460137e04e5cb485d49a0e70d3a47c44fc47918d419d37ae5eba18		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55D03 9344 bytes
font_01_sfnt_off00057778.bin
ae46eb664db2ff236feecedb1672193cfaeedf87635e8b6fac43c47dc7bc5223		 pdf-font-stream PDF embedded font (sfnt) at offset 0x57778 15728 bytes

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