Malicious PDF — malware analysis report

Static analysis result for SHA-256 60346c4870a7fd09…

MALICIOUS

PDF

184.3 KB Created: 2015-07-26 07:14:04 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 40ddcdcf68f6f856a3fdb8fb2d4d7859 SHA-1: 27d4aaf177ae50da270719ed94d4eeac5fca0b4e SHA-256: 60346c4870a7fd0997fbf879b0616371edd42ccc1828090dfec2cc9d1a257ae4
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 links suggest it's designed to initiate a malicious redirect upon opening.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%87%D0%B8%D1%82%D0%B0%D1%82%D1%8C+%D0%B6%D1%83%D1%80%D0%BD%D0%B0%D0%BB%D1%8B+%D0%B7%D0%BE%D0%B6+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186434_trudovoe_pravo_v_shemah_i_tablicah_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4214/4214334_dnevnik_po_proizvodstvennoy_praktike_agronom.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189525_publichnaya_kadastrovaya_karta_kazan.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024048.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24048 3556 bytes
font_01_sfnt_off00024dcb.bin
215e6e5770fee1eb7775499f6e32cfba0b7a31b849477380658170793abc4185		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DCB 14044 bytes
font_02_sfnt_off00027a38.bin
845725022f503bbbcb89ae15bb099d3cc082c266bd585b38792f4b277383adfe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A38 14580 bytes
font_03_sfnt_off0002a542.bin
85af6f3a6b5137de5b87ccccabe7ab047a99d031e50005407fc2b18a20174f23		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A542 6460 bytes
font_04_sfnt_off0002b790.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B790 6084 bytes
font_05_sfnt_off0002c725.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C725 3752 bytes

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