Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0df404abc079f2c…

MALICIOUS

PDF

344.9 KB Created: 2015-08-26 10:07:31 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: b91650929323d4a9fff72f2614120a80 SHA-1: c0d8e6af28560c98cc550c5c56ea979d7d44924c SHA-256: d0df404abc079f2c2d5cd11b097aa8bfce7e5b0b1f336470e7d1f3e801ff7b59
90 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, botcraftman.ru. This indicates a phishing or social engineering attempt to direct the user to a harmful site. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, and the document body was heavily truncated and unreadable, preventing a more detailed analysis of the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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=need+for+speed+carbon+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%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/7//4752/4752346_advanced__serial__port_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751504_slushay__tescha__drug_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4752/4752064_skachat__windows__7_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00051b29.bin
3f7c985fd2b65409bbea90a67162329655bf9edd5dc496944533231e932893b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51B29 9280 bytes
font_01_sfnt_off0005348c.bin
5e5586f89af5ceaa0464c3571fc35934d49b4bf4b3e79f85e1a28fcc825f47a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5348C 15764 bytes

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