Malicious PDF — malware analysis report

Static analysis result for SHA-256 06bf04bc6c17b0c8…

MALICIOUS

PDF

360.8 KB Created: 2015-08-19 14:03:22 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: e64fcae9dd8d0c838a95169a3517ce19 SHA-1: 19aa0c2b2eb8e5d1e82fadd92ce197618a765860 SHA-256: 06bf04bc6c17b0c83e69614261c0e17ddd44225ddd938c2d6ea781b3171939a2
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains an embedded URL that is flagged as a known malicious redirector. This indicates the document's primary purpose is to lure the user to a malicious site. While no scripts were explicitly extracted, the PDF structure and the malicious URL strongly suggest an attempt to deliver a secondary payload or conduct phishing. The ML classifier also strongly indicated maliciousness.

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%84%D0%BE%D1%80%D0%BC%D1%83%D0%BB%D0%B0+%D1%81%D1%82%D1%80%D1%83%D0%B9%D0%BD%D1%8B%D1%85+%D0%BE%D1%80%D0%B3%D0%B0%D0%B7%D0%BC%D0%BE%D0%B2+%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://img0.liveinternet.ru/images/attach/c/6//4626/4626454_mech_2_sezon_skachat_torrent_vse_serii.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4496/4496724_skachat_videopad_video_editor_241_rusifikator.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626540_skachat_simulyator_makdonaldsa.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055b1f.bin
ad07eff78639ca3d3a312b185c02ca912e472f8d30a0130e3c5f964a7c8e9d1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55B1F 9348 bytes
font_01_sfnt_off0005751e.bin
a3f38cc3fc5a3f5050597438d165356571914e0119ec0247c3130053945cc6de		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5751E 15100 bytes

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