Malicious PDF — malware analysis report

Static analysis result for SHA-256 47363f075838e357…

MALICIOUS

PDF

376.6 KB Created: 2015-08-29 01:59:08 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: b8b08d12c0805d70a43617dd4007a2bc SHA-1: 672ce6497bb7c17e4fe29e0e6a6ffad3b511643d SHA-256: 47363f075838e357dc791a95c67155ff4a3fea3cb7a27cb866310b64c3591ab8
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a critical heuristic indicating a link to known malicious redirector infrastructure. The embedded URL http://botcraftman.ru/... is highly suspicious and likely serves as a lure to a malicious website. No scripts were extracted, but the presence of the malicious URL strongly suggests a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9943

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%80%D0%B0%D0%B7%D0%BC%D0%B5%D1%80+%D0%B4%D0%B5%D1%82%D1%81%D0%BA%D0%BE%D0%B3%D0%BE+%D0%BF%D0%BE%D1%81%D0%BE%D0%B1%D0%B8%D1%8F+%D0%B2+2013+%D0%B3%D0%BE%D0%B4%D1%83+%D0%B2+%D0%B1%D0%B5%D0%BB%D0%B0%D1%80%D1%83%D1%81%D0%B8+%D1%82%D0%B0%D0%B1%D0%BB%D0%B8%D1%86%D0%B0&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818645_skachat__starbound__update_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818200_skachat__skayp__dlya_.pdf
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818386_shema__planirovanie_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005978e.bin
86e95ace1d94304762ea57df8e0918648641aebfc89c095b175fb5508c3ad51c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5978E 8904 bytes
font_01_sfnt_off0005b1ff.bin
6646e0cf2ae4d411f3afb48aa21103e7046e593ab5db7caf3da04deba7ace13c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B1FF 15692 bytes

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