Malicious PDF — malware analysis report

Static analysis result for SHA-256 f8e7274f552fc40c…

MALICIOUS

PDF

363.2 KB Created: 2015-08-29 22:33:29 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-09-23
MD5: 4863a0acbc8b1930bc91723f9e6e79b2 SHA-1: f0c21e291661e8b5e20fa1dfd2110c82b5958a9c SHA-256: f8e7274f552fc40c7dd7a52719a7eff89be912c8725ce63dab9e861052071ff5
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9979

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%BA%D1%80%D1%8F%D0%BA+%D0%B4%D0%BB%D1%8F+shaun+white+skateboarding&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830791_tarmashev__chistilische__skachat_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4831/4831266_chelovek__kotoruyy__smeetsya_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4836/4836057_sto__let__odinochestva_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005619a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5619A 9836 bytes
SHA-256: 9c33a0a3ac3b421ae49674c502918fdd20118bdc29e012bf79650f2d9a793809
font_01_sfnt_off00057d36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57D36 15860 bytes
SHA-256: 6709ff188247c8729f2be38402876e6632b74d95c8be3e146fddb3bc3d434a93

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