Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ffd05aa56b1d65d…

MALICIOUS

PDF

349.8 KB Created: 2015-08-19 14:31:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-09-15
MD5: 7e1634ea5bf5a6afb9af493f06bb3172 SHA-1: 6c8c2419e61fd25c3417c518ab3d8eae5f1af037 SHA-256: 7ffd05aa56b1d65d5e076fd60b736ba6c6fda1e3b1319370130919a5ce698dd6
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. The ML classifier also flagged this PDF with high confidence. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristic firings suggest a malicious intent, likely related to phishing or malware delivery.

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%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D1%83+%D0%BA%D0%BE%D1%82%D0%BE%D1%80%D0%B0%D1%8F+%D0%B2%D0%B7%D0%BB%D0%B0%D0%BC%D1%8B%D0%B2%D0%B0%D0%B5%D1%82+%D0%B8%D0%B3%D1%80%D1%8B+%D0%BD%D0%B0+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4496/4496739_moguchie_reyndzheruy_yarost_dzhungley_skachat_torrent.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626888_skachat_programmu_dlya_vzloma_igr_bez_rut_prav.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626660_canon_mf3200_series_drayver_windows_7_64_bit_skachat_besplatno.pdfIn PDF document text

Related samples 6

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_off00052d7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x52D7F 8700 bytes
SHA-256: 88b9e68e8f98f70ab6a7eb9d9d43c7ad33f179482b3d9e6c68cef07a3ce31f84
font_01_sfnt_off0005469b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5469B 16204 bytes
SHA-256: 7237746af399c7fe05fecbf47b59c125da675beba9dc91ab6bb4b892aaa83e26

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