Malicious PDF — malware analysis report

Static analysis result for SHA-256 b8079bc862bcf187…

MALICIOUS

PDF

353.2 KB Created: 2015-08-29 02:41:38 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-05-29
MD5: 8695d780495e19f844f8643776d49bb2 SHA-1: 37c4f184c74bfb600c66c7d3a6e8215cb986fd8b SHA-256: b8079bc862bcf18750e26c15393193674d18bba2842c60066522b1766893ba94
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 likely intended to lead the user to a phishing or malware distribution site. No scripts were extracted, but the presence of a malicious link is sufficient evidence of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9951

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%D0%B0%D0%BA+%D0%BF%D0%BE%D1%81%D1%82%D0%B0%D0%B2%D0%B8%D1%82%D1%8C+%D0%BC%D0%B5%D0%BB%D0%BE%D0%B4%D0%B8%D1%8E+%D0%BD%D0%B0+%D0%B3%D1%80%D1%83%D0%BF%D0%BF%D1%83+%D0%BA%D0%BE%D0%BD%D1%82%D0%B0%D0%BA%D1%82%D0%BE%D0%B2+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4&charset=utf-8 In PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4819/4819486_bazudin__ot__provolochnika_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4818/4818478_russkotureckiy__razgovornik_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4817/4817505_vedmag__3__skachat_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000543f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x543F2 8324 bytes
SHA-256: 6abac3fd037d6416ecac0b071645e45a4b7e35488e46dc12182494d871d7cc11
font_01_sfnt_off00055bb4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55BB4 12900 bytes
SHA-256: a100093daa20765e586613c747dcefd7088bd751c2511456aac160001171fb1f

Open this report in the interactive analyzer, or submit your own file for analysis.