Malicious PDF — malware analysis report

Static analysis result for SHA-256 08f1213338c2b5a6…

MALICIOUS

PDF

349.6 KB Created: 2015-08-29 11:56:16 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6) First seen: 2021-07-07
MD5: 476757224e94d94e0ff5f5748d6d8280 SHA-1: e9fc4cb14885f6158050706089ff07449580e42d SHA-256: 08f1213338c2b5a6fd04e188e11d23f888ef21eaba0f2ac6b670ecce1a82b9b7
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 strongly flagged this PDF as malicious. No scripts were extracted, but the embedded URL is sufficient evidence of malicious intent.

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=%D1%80%D0%B0%D1%81%D0%BF%D0%B8%D1%81%D0%B0%D0%BD%D0%B8%D0%B5+%D0%B0%D0%B2%D1%82%D0%BE%D0%B1%D1%83%D1%81%D0%BE%D0%B2+%D0%BF%D0%B5%D1%80%D0%BC%D1%8C-%D0%BB%D0%BE%D0%B1%D0%B0%D0%BD%D0%BE%D0%B2%D0%BE&charset=utf-8 In PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830761_pereustanovka__windows__8_.pdfIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/7//4830/4830973_notuy__pesni__yesterday_.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/7//4829/4829990_notuy__vesnyak_.pdfIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00053209.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x53209 7228 bytes
SHA-256: 59ad5f6eb41fbd48b73a64178f2a9100b0c0fdf6800676c309c2c51f9398380d
font_01_sfnt_off000546ea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x546EA 15656 bytes
SHA-256: 30dfe2e889e5420e13ef9e087022ef2827a6d28d49752a5ec3138d4224e98ffb

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