Malicious PDF — malware analysis report

Static analysis result for SHA-256 eee9be485ed77f8a…

MALICIOUS

PDF

186.5 KB Created: 2015-08-08 15:14:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6) First seen: 2021-09-14
MD5: cf70e9ded1fa0d5a50ab828741eea84b SHA-1: 69be68c36eda17626e925574d5c699633c8d1dcc SHA-256: eee9be485ed77f8aade8752e8296eda019cf526b4c08edc8c4be0fa22a41a2ba
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, specifically for containing a link to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The embedded URL is the primary indicator of malicious intent, likely serving as a lure to a phishing or malware distribution site.

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%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D0%BF%D1%80%D0%B8%D0%BB%D0%BE%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5+%D0%B2%D0%BA%D0%BE%D0%BD%D1%82%D0%B0%D0%BA%D1%82%D0%B5+%D0%BD%D0%B0+%D0%BA%D0%BE%D0%BC%D0%BF%D1%8C%D1%8E%D1%82%D0%B5%D1%80&charset=utf-8 In PDF document text
    • http://fastpic.ru/In PDF document text
    • http://www.liveinternet.ru/clickIn PDF document text
    • http://img0.liveinternet.ru/images/attach/c/6//4388/4388089_skachat_rusifikator_dlya_fl_studio_9.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4389/4389925_skachat_aleksey_matov.pdfIn PDF document text
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383920_vishivki_hrestikom_shemi_bezkoshtovno.pdfIn PDF document text
    • http://www.microsoft.com/typography/fonts/In PDF document text
    • http://www.microsoft.com/typography/fonts/YouIn PDF document text

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000245a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x245A1 3556 bytes
SHA-256: 880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281
font_01_sfnt_off00025324.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25324 14692 bytes
SHA-256: 3b62eb8aba81a06bddd1208657b33b4b1178db38f5932a7455e5cbde28bfff66
font_02_sfnt_off0002814b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2814B 14468 bytes
SHA-256: ba3cb981e1f2463b2c264d3e10a61f97939051f7b2910811e6692948e05aa41b
font_03_sfnt_off0002abfa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2ABFA 7032 bytes
SHA-256: f3c26dabdd38e5d1e930befed55dd35968a74826dee6e7df59edf2867089f8f6
font_04_sfnt_off0002c050.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C050 6084 bytes
SHA-256: 819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3
font_05_sfnt_off0002cfe5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CFE5 3752 bytes
SHA-256: 9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e

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