Malicious PDF — malware analysis report

Static analysis result for SHA-256 71f7c632a364689d…

MALICIOUS

PDF

187.3 KB Created: 2015-07-26 17:32:47 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: dbfb347e1b4e363eb7b5d2dffec5c2c2 SHA-1: e4e64883752a0deea1e81055368f5a36aaac2c2d SHA-256: 71f7c632a364689d2da002405dac4a0dcbfd0faeaf9e61d1bcdea75b118a6526
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, including a critical alert for a link to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is identified as a malicious redirector. This suggests the document is designed to lure users to a harmful website, likely for phishing or malware delivery.

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=%D0%A0%D0%BE%D0%B4%D0%B6%D0%B5%D1%80+%D0%B1%D0%B5%D1%81%D1%82+%D0%BC%D0%B0%D1%80%D0%BA%D0%B5%D1%82%D0%B8%D0%BD%D0%B3+%D0%BE%D1%82+%D0%BF%D0%BE%D1%82%D1%80%D0%B5%D0%B1%D0%B8%D1%82%D0%B5%D0%BB%D1%8F+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4216/4216608_velokompyuter_cyclotech_i6_instrukciya.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4198/4198922_rabochie_programmuy_po_geometrii_1011_klass_atanasyan.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4214/4214257_hlebopechki_alaska_bm2600_instrukciya.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_off00024833.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24833 3556 bytes
font_01_sfnt_off000255b6.bin
6fe44fb060cf825bf158abf7f234e19d7515d626620e01e0fbd106ff8e9aaae9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x255B6 15100 bytes
font_02_sfnt_off0002845f.bin
fbe4af72ea4b6832e02f3a94d39805fe74296d1f62d5d4f3c350b4dd983b7d89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2845F 14468 bytes
font_03_sfnt_off0002af0d.bin
0a5c434b12b8157ae99f11313c2c601c8c67d2ad7f0bcfc8da547893af457920		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AF0D 7020 bytes
font_04_sfnt_off0002c356.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C356 6084 bytes
font_05_sfnt_off0002d2eb.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D2EB 3752 bytes

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