Malicious PDF — malware analysis report

Static analysis result for SHA-256 63560fcdd24d3d35…

MALICIOUS

PDF

355.6 KB Created: 2015-08-20 07:56:02 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-10-31
MD5: 7651ec0247824ec736ad66d4b3158d0c SHA-1: 2ed9cb458285124752fcc7560fc27a2e068ad34e SHA-256: 63560fcdd24d3d35307d0e3c51482216dd57ed7fe028c43724e0eae4694ea706
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is confirmed as malicious and likely serves as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of the malicious URL strongly suggests a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9944

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=%D1%81%D0%BA%D0%BE%D0%BB%D1%8C%D0%BA%D0%BE+%D0%BD%D1%83%D0%B6%D0%BD%D0%BE+%D1%80%D0%B5%D1%88%D0%B8%D1%82%D1%8C+%D0%B7%D0%B0%D0%B4%D0%B0%D0%BD%D0%B8%D0%B9+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+%D0%B5%D0%B3%D1%8D+2015+%D0%BD%D0%B0+4&charset=utf-8 In PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639219_spidkam_dlya_navitel_2015_skachat_besplatno.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639378_muravev_konstantin_nikolaevich_pereshagnut_propast_2_skachat.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4638/4638882_tasker_instrukciya_na_russkom.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000543b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x543B6 9408 bytes
SHA-256: facb087801c81099becf41666073c55689608f0b43fe1e35c22c456964157728
font_01_sfnt_off00055efe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55EFE 15088 bytes
SHA-256: 63b4b94726d4f21c038c90afad39e7fa4143e3ed323a00a54afedb5b30b63be5

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