Malicious PDF — malware analysis report

Static analysis result for SHA-256 074e7e3c0d080706…

MALICIOUS

PDF

351.3 KB Created: 2015-08-29 13:27:31 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 90130c74848cd4660199ca177a1e11f0 SHA-1: 26b0a35b041bd3350c2c5588bcae85c9eab19c7b SHA-256: 074e7e3c0d08070663e3770106dc9f1853db65a6a9be307c8ccad08372bfee95
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The ML classifier also flagged the document with high confidence. While no scripts were explicitly extracted, the PDF structure and the presence of a malicious URL suggest an intent to exploit the user through redirection.

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%81%D0%BD%D0%B8%D0%BF+42-01-2002+%D0%B3%D0%B0%D0%B7%D0%BE%D1%80%D0%B0%D1%81%D0%BF%D1%80%D0%B5%D0%B4%D0%B5%D0%BB%D0%B8%D1%82%D0%B5%D0%BB%D1%8C%D0%BD%D1%8B%D0%B5+%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D1%8B+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830831_obrazec__hodataystva__o_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4831/4831172_kotler__keller__marketing_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4832/4832424_pesni__igorya__talkova_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053842.bin
9e31ef6a21326df0833db727a88ce644c778b2fefcd1b625001021cbda63851b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53842 9180 bytes
font_01_sfnt_off000551dc.bin
024b55f1d08cd058e22bcb357c7628791d40cafb9fca04f3a843b57944c484db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x551DC 13696 bytes

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