Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c0c7f47900de94b…

MALICIOUS

PDF

378.7 KB Created: 2015-08-22 09:10:19 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: fc2f472c1c5a8ad8c53b976846c53b7b SHA-1: 9c3bdf71812e9f7519d2042f288bbad9758ef1d7 SHA-256: 1c0c7f47900de94bac103a652f28193cd470c0cf643b014e28a9a468a5b43d94
90 Risk Score

Malware Insights

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

The PDF document was flagged by a machine learning classifier and contains a critical heuristic indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is the primary indicator of malicious intent, likely serving as a lure for phishing or malware distribution. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9946

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%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%BA%D0%BE%D1%80%D0%BE%D1%82%D0%BA%D0%BE%D0%BC%D0%B5%D1%82%D1%80%D0%B0%D0%B6%D0%BD%D1%8B%D0%B5+%D0%BC%D1%83%D0%BB%D1%8C%D1%82%D0%B8%D0%BA%D0%B8+%D0%B2+3d+%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://img0.liveinternet.ru/images/attach/c/6//4674/4674548_skachat_igru_18_stalnuyh_koles_kubanskoe_razdole_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674467_disciples_3_pererozhdenie_seriynuyy_nomer_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4674/4674543_vosstanie_kiborgov_2013_skachat_torrent.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005a524.bin
3c7a493abb8bc277de3c8a6e78cad78f8ed4537479c52795bcfccd0b0fed84be		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A524 8492 bytes
font_01_sfnt_off0005bde6.bin
8a8a6a80c6a379eb52f6e1b9939a6a4d4ecb8dbf8dd7bf838c3e58f4cd895e67		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BDE6 14420 bytes

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