Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc37ce75c63c018a…

MALICIOUS

PDF

356.1 KB Created: 2015-08-21 09:17:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 8d509eca1c82dc1826cb654c66215a82 SHA-1: 85fcb6fba23ba24b97571618752c65356373c50c SHA-256: cc37ce75c63c018a0823b53b6cc202bbc3d5cbc3d7b751a0e37cb7c6e120b811
60 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, http://botcraftman.ru/, which is a strong indicator of malicious intent. The document body is heavily obfuscated and unreadable, but the presence of the malicious URL is sufficient to classify the attack pattern. No scripts were extracted from this sample.

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%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+%D0%B1%D0%BE%D1%82+%D0%B4%D0%BB%D1%8F+%D1%81%D0%BB%D1%8B%D1%88%D1%8C+%D1%87%D0%BE&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654719_patek_philippe_geneve_58152_instrukciya.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654700_scenariy_otchetnogo_koncerta_vokalnogo_kollektiva.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4654/4654730_skachat_chit_na_tdp4_proekt_tmuy_na_keshi_i_monetuy_exe.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005438e.bin
c5066cc4f73336a66e034893e88dd12a47866dc8efa54181f74c204a56acf194		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5438E 9748 bytes
font_01_sfnt_off00055e8f.bin
5ec48fb7a434359640c23752514cc3018f2e6381356af3b726de360e597f3ce8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55E8F 16756 bytes

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