Malicious PDF — malware analysis report

Static analysis result for SHA-256 88ab32a425a8c487…

MALICIOUS

PDF

349.1 KB Created: 2015-08-26 11:05:03 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-10-31
MD5: c086348b5c83dc22df668a95da610d0a SHA-1: 0e53a320f4d4ad208e9fc9cdc783d38f605819ac SHA-256: 88ab32a425a8c487d3467fff4e54bda22f33d039ca950e21885596d81ee4adb7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded link identified as malicious and pointing to a redirector. This suggests the document is designed to trick the user into visiting a potentially harmful website, likely for phishing or malware distribution. No scripts were extracted, but the presence of a malicious link is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9947

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=%D0%B8%D0%B3%D1%80%D1%8B+%D0%BA%D0%B2%D0%B5%D1%81%D1%82%D1%8B+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC+%D1%8F%D0%B7%D1%8B%D0%BA%D0%B5+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8 In PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4753/4753091_instrumentalnuye__programmnuye_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751901_obnyatsya__chtobuy__ucelet_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4751/4751653_rukovodstvo__po__remontu_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00052fd9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52FD9 8180 bytes
SHA-256: 93040f48aac7cfb3e80dca80612be7e7dd96e173710674ca8a0668dd4b6d1594
font_01_sfnt_off00054789.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x54789 14056 bytes
SHA-256: 1163cd12802b75e148b6049ab05643824ea4c31993420b1a45d9135c5bc91fa1

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