Malicious PDF — malware analysis report

Static analysis result for SHA-256 15a2b9769178303a…

MALICIOUS

PDF

387.1 KB Created: 2015-08-20 07:21:10 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 1acf0a5aab163ecfafb40083c41dcf89 SHA-1: 63147cb9c94cbb8d7704e78bd7acb3eed3da5b02 SHA-256: 15a2b9769178303a085ca542c2758be89d352e52ea38623d7b945af637e55a10
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was flagged by heuristics as a malicious redirector, pointing to the URL http://botcraftman.ru/. This URL is known to lead to malicious infrastructure, suggesting the document's primary purpose is to lure users to a harmful site. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9983

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%BF%D1%80%D0%BE%D1%88%D0%B8%D0%B2%D0%BA%D0%B0+zte+v880e+velcom&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4638/4638850_skachat_infamous_2_na_pc_cherez_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4638/4638824_russko_uzbekskiy_perevodchik_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4638/4638842_skachat_mod_na_maynkraft_152_na_glinyanuyh_chelovechkov.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005be2e.bin
18f2c6b1503f4e788fd619d694c067528aec9a80c6dcf2cf2ec363abd9e76155		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BE2E 10064 bytes
font_01_sfnt_off0005da61.bin
dd413dbea870163a618efd986fb1f3b10551e7fe38ab76aea9f88fa3103fd153		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DA61 16612 bytes

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