Malicious PDF — malware analysis report

Static analysis result for SHA-256 907b36947a4d1f58…

MALICIOUS

PDF

187.1 KB Created: 2015-07-25 00:33:50 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 0563b81391490169acf299da9fe86d0e SHA-1: ffe17ee9b099322c78121bf3ee48eac8d76b356c SHA-256: 907b36947a4d1f583111f84abbae4d6e50bcfcb4ba584776662625e905850200
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 link to a known malicious redirector. This indicates the document is likely a lure designed to redirect users to a malicious website for phishing or malware delivery. No scripts were extracted from this sample.

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+%D0%B4%D1%80%D0%B0%D0%B9%D0%B2%D0%B5%D1%80%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE%D0%BA%D0%B0%D1%80%D1%82%D1%8B+nvidia+geforce+9800+gt&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192974_rabochaya_programma_po_chteniyu_4_klass_fgos_shkola_rossii_s_uud.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192710_iptv_spisok_kanalov_m3u_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190133_skachat_server_dlya_maynkraft_152_bez_plaginov.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024393.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24393 3556 bytes
font_01_sfnt_off00025116.bin
1c7442fde9d1153bec83f7b44f87d11cdef04090878cbe64d9af6c3cc063cbf4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25116 14496 bytes
font_02_sfnt_off00027e57.bin
94e36d5e03311df939c0dea6bd81998dcd6a522e617d87496723050532fc4b53		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27E57 14724 bytes
font_03_sfnt_off0002a9f2.bin
9a98b43b8c1d6ab21a836c86b803ee47c56c9af6e8dd5e5a8da90af03dc035e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A9F2 8308 bytes
font_04_sfnt_off0002c2b0.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C2B0 6084 bytes
font_05_sfnt_off0002d245.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D245 3752 bytes

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