Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ed52c5daba5badc…

MALICIOUS

PDF

378.3 KB Created: 2015-08-29 11:54:45 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 04742284825f0c46c5e70fd179702299 SHA-1: a08cb4a02e715cfc40b3772b8d8a9402a33c84cb SHA-256: 0ed52c5daba5badc01e92d5f72aca3fcf4ef4d8fe59677285d123e40d6826d35
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL `http://botcraftman.ru/?lip&keyword=alice+madness+returns+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8` is the primary indicator of malicious intent. While no scripts were extracted, the PDF structure itself facilitates the redirection, suggesting an attempt to lure the user to a compromised site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9948

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=alice+madness+returns+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4829/4829822_windows__7__professional_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4829/4829853_antizhuk_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4829/4829993_oy__gayu__pri_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005a24f.bin
88b5415c1e1c657aea4bc2abe34e6d4ed676756bdcccd3572294cc1d4a6b10a8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A24F 7692 bytes
font_01_sfnt_off0005b835.bin
04099f02da7980a1c730a1e575c7859b46cce5c041e52c7cc95e205c7bd59085		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B835 16544 bytes

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