Malicious PDF — malware analysis report

Static analysis result for SHA-256 502d1dd98c601f68…

MALICIOUS

PDF

368.6 KB Created: 2015-08-23 23:20:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: a58a443aca791f35ef436cb791f18de1 SHA-1: 5705dc02812911452a36eb4a1c32f1cd43586935 SHA-256: 502d1dd98c601f681021e5fb3087a7b8cf2f8d8b1bacafbe110151f101c30100
90 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by an ML classifier and contains a link to a known malicious redirector. The embedded URL 'http://botcraftman.ru/?lip&keyword=tanki+online+cheat+crystal+v40+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8' is the primary indicator of malicious intent, likely serving as a lure for users interested in game cheats. No scripts were extracted, limiting further analysis of the execution chain.

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=tanki+online+cheat+crystal+v40+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4692/4692968_shema__ustanovki__chashi_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000579ef.bin
7496ed54aee788c572673cbd3868cd7dd488200cf27544f5774174b16d23f312		 pdf-font-stream PDF embedded font (sfnt) at offset 0x579EF 9652 bytes
font_01_sfnt_off0005944c.bin
dd703d3d03b8b382a6b3a72a43c6e6e7d76541ad422db64790f5a476a8101c07		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5944C 15268 bytes

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