Malicious PDF — malware analysis report

Static analysis result for SHA-256 26b0ddaf6573bbb2…

MALICIOUS

PDF

377.5 KB Created: 2015-08-29 01:30:04 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-11-24
MD5: 694ef1dd4985cce67a84396cefc34e1d SHA-1: 33d74e9f58fc2f71543cecc0a7299c0bdcf77aa8 SHA-256: 26b0ddaf6573bbb23755c466f822f8d9257fd04b4442f3d7cf2744bfdcc49c97
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded link that points to a known malicious redirector. The ML classifier also flagged this PDF with high confidence. While no scripts were extracted, the presence of a malicious URL indicates an attempt to lure the user to a compromised site, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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%B1%D0%B8%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F+6+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+%D1%81%D0%BE%D0%BD%D0%B8%D0%BD+%D1%80%D0%B5%D1%88%D0%B5%D0%B1%D0%BD%D0%B8%D0%BA&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818059_sumerki__ot__lica_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818133_fallout__new__vegas_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817766_skachat__besplatno__oboi_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00059a8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59A8B 7700 bytes
SHA-256: 5bac3387e731aea8d7785130f9ee4bc0bc7d57bcabfa6a3be570c98d3da8e0f0
font_01_sfnt_off0005b101.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5B101 17584 bytes
SHA-256: 60e97451b9599a287ffe577b9e835b7b637c59c443f516232218f631aabcfff7

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