Malicious PDF — malware analysis report

Static analysis result for SHA-256 60b3b0b1af85497c…

MALICIOUS

PDF

372.6 KB Created: 2015-08-20 08:42:05 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: b092802f068ef1312bb7cc916ce458e1 SHA-1: 69ad161ad32acc3e9e1ea3a2c373ed915a941c20 SHA-256: 60b3b0b1af85497cbf6c86c1faa5418acb01a94d0c355e68cb71cf2ec2b59976
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 PDF structure and embedded link suggest a malicious intent to redirect the user to the identified URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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+%D1%87%D0%B8%D1%82+%D0%BD%D0%B0+%D1%81%D0%B0%D0%BC%D0%BE%D1%86%D0%B2%D0%B5%D1%82%D1%8B+%D0%B2+%D0%B8%D0%B3%D1%80%D0%B5+%D0%B7%D0%B0%D0%BF%D0%BE%D1%80%D0%BE%D0%B6%D1%8C%D0%B5&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639799_gigabyte_gah61ms1_drayvera_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4640/4640070_russkuyu_versiyu_fmod_designer_43006.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4639/4639219_spidkam_dlya_navitel_2015_skachat_besplatno.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005879e.bin
347f0e5271f1c9ae3a02f89c667b155aa15494452af91f7a1cab0b8a713cbed9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5879E 8948 bytes
font_01_sfnt_off0005a183.bin
889708143751803a8c4211c244ab9dc58ff0fd1060deaadad74bc93b2399945e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A183 16064 bytes

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