Malicious PDF — malware analysis report

Static analysis result for SHA-256 b02f958def42fc72…

MALICIOUS

PDF

358.3 KB Created: 2015-08-23 20:52:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: f0b16ff60187f8d270045634c599921f SHA-1: 465729d786c8600f9c6e952a34c350dac2a937e6 SHA-256: b02f958def42fc72e1046c79e67796ac7fcd2bfb3566967f47c05d0228653aea
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is likely part of a phishing or malware distribution chain. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the direct user-facing content.

Machine Learning

  • Nyx PDF Classifier clean score 0.0959

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=usb+xtaf+xplorer+%D0%B4%D0%BB%D1%8F+%D0%B7%D0%B0%D0%BF%D0%B8%D1%81%D0%B8+%D0%BD%D0%B0+%D1%84%D0%BB%D0%B5%D1%88%D0%BA%D1%83+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000553d6.bin
f2acb776624f432bd1abb99afabd68cf89f3d6be5a5b8fd09b42ea93b3a25397		 pdf-font-stream PDF embedded font (sfnt) at offset 0x553D6 9896 bytes
font_01_sfnt_off00056f64.bin
676b95ddb37fbfbdd32ccb7faf32599c1224f38536e8739d1476889034155a66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56F64 12948 bytes

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