Malicious PDF — malware analysis report

Static analysis result for SHA-256 95347f5eab887d6a…

MALICIOUS

PDF

186.0 KB Created: 2015-07-25 02:16:45 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: c0ff648fc8356d1a1342c33a86324200 SHA-1: 15b4a6ae4683ac9ba7501776c99bfb70b144719f SHA-256: 95347f5eab887d6a3511ec6adcadcae6c004c18ede93edebc701e94ca348b973
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a direct link to a known malicious redirector infrastructure. This indicates the document is likely part of a phishing or malware distribution campaign. No scripts were extracted, and the document body was truncated, limiting further analysis of the specific lure.

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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+50+%D0%BE%D1%82%D1%82%D0%B5%D0%BD%D0%BA%D0%BE%D0%B2+%D1%81%D0%B5%D1%80%D0%BE%D0%B3%D0%BE+%D0%BD%D0%B0+%D1%82%D0%B5%D0%BB%D0%B5%D1%84%D0%BE%D0%BD&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189891_ramones_diskografiya_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184850_skachat_launcher_maynkraft_172_s_modami_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192308_russkiy_yazuyk_dlya_inostrancev_uchebnik_skachat_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000243f7.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x243F7 3556 bytes
font_01_sfnt_off0002517a.bin
bcd1d3c8c7cb3ebd6df38c26e582bb50976409fab363ab88953d41da7c669b3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2517A 14844 bytes
font_02_sfnt_off00027f6b.bin
1a40cee5749c0a47f49aaf445610cbeeec117b766c0b293969a3febe21f0c801		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27F6B 14640 bytes
font_03_sfnt_off0002aaa2.bin
c64abe2bf80c7b858f65c9f09bfaf8f156243c7e519fdbec38a731d87f0eed42		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AAA2 6776 bytes
font_04_sfnt_off0002be35.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE35 6084 bytes
font_05_sfnt_off0002cdca.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CDCA 3752 bytes

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