Malicious PDF — malware analysis report

Static analysis result for SHA-256 863070567f0550c6…

MALICIOUS

PDF

186.0 KB Created: 2015-07-24 02:38:11 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9d73cd82512ac401a94b22e822000d90 SHA-1: c966a0a913d84055a0abb5f48a4116814a1960f8 SHA-256: 863070567f0550c6fb93ea4764f5af38c5e4d1d877b64f78ce66db1060422522
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by a machine learning classifier and contains a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware delivery. No scripts were extracted, but the presence of a malicious URL is a strong indicator of malicious intent.

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%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D0%B4%D0%BB%D1%8F+%D1%83%D1%81%D1%82%D0%B0%D0%BD%D0%BE%D0%B2%D0%BA%D0%B8+%D0%B8%D0%B3%D1%80+%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://img0.liveinternet.ru/images/attach/c/5//4184/4184781_baza_dannuyh_mts_2013_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186246_mayorskie_pogonuy_rasstoyanie.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184762_skachat_nhl_15_cherez_torrent_na_kompyuter_besplatno.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_off0002444f.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2444F 3556 bytes
font_01_sfnt_off000251d2.bin
4b53063ee0c5d929c11da14869a53cf27e06cf86d5fde73dc802907f1d2c45c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251D2 14656 bytes
font_02_sfnt_off00027fc4.bin
dde8cb3db78f49492d397de1013a074ab9c596bc0508faa33f94bd64189db0ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27FC4 14468 bytes
font_03_sfnt_off0002aa77.bin
111e89ccfb203c3fd453008a5a2ffb26e5cb55702c433ad5998399e64e6d46dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AA77 6784 bytes
font_04_sfnt_off0002be15.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE15 6084 bytes
font_05_sfnt_off0002cdaa.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CDAA 3752 bytes

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