Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d214477d13cde51…

MALICIOUS

PDF

340.9 KB Created: 2015-08-25 22:26:32 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: dec23c468af2573b5bd9339f8410b99a SHA-1: 53e77d39513f9fb9c7c0a65bfd6b5dd6eeee22ab SHA-256: 3d214477d13cde51202902c879ac23b960b938ecf503810a537188564de6ef78
90 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to botcraftman.ru. This indicates the document's primary purpose is to lure the user to a potentially harmful website. No scripts were extracted, and the document body was unreadable, but the malicious URL is a strong indicator of a phishing or malware distribution attempt.

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+the+secret+world+%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//4740/4740669_plan__lomonosova__diskografiya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740805_fermer__simulyator__2013_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4740/4740611_skachat__besplatno__programmuy_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00050ded.bin
830ee6c46d25680898f332765a3b09cc20f0b9e1b74b84d1613334e7d6447872		 pdf-font-stream PDF embedded font (sfnt) at offset 0x50DED 8764 bytes
font_01_sfnt_off00052695.bin
0e4e8b7724b738ee3aa01f0f8aff3dd05ac6fdc1d00b8dfa290ff45d72e4c463		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52695 14684 bytes

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