Malicious PDF — malware analysis report

Static analysis result for SHA-256 721287a88fc04739…

MALICIOUS

PDF

357.6 KB Created: 2015-08-28 17:26:01 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-09-16
MD5: fa2291ae76594d624cd2918b99b3b06b SHA-1: 49a46b140e07a1ab97cdbff1aca8aa930aae171a SHA-256: 721287a88fc0473980d029f919585711ef404ba5c1db7f4f5126fc889f262a58
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. While no scripts were explicitly extracted, the PDF structure and the malicious URL strongly suggest a phishing or malware distribution attempt. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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%A1%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+%D0%BA%D0%BE%D0%BD%D1%86%D0%B5%D1%80%D1%82+%D0%BD%D0%B0%D0%B4%D0%B5%D0%B6%D0%B4%D1%8B+%D0%BA%D0%B0%D0%B4%D1%8B%D1%88%D0%B5%D0%B2%D0%BE%D0%B9&charset=utf-8 In PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809105_skachat__beluyy_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809102_skachat__zvuk__hrusta_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809111_skachat__kaha__na_.pdfIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00055228.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55228 8304 bytes
SHA-256: f2af9fa1bad6ae8581419eda62bb23d59aac2dcefd658c05d22a0023cb525f5e
font_01_sfnt_off00056a30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56A30 14076 bytes
SHA-256: 518aec1f0dc10065424b7b61668c39745cef65b048b151e4531932e9a63f365e

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