Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4c3e1d11ac2f3a6…

MALICIOUS

PDF

58.1 KB Created: 2021-09-09 12:25:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 2ce003dcec8f347dbfec007fbf7d87b2 SHA-1: f94ffbbffff05d9d9115923440a638e3a2a7329b SHA-256: d4c3e1d11ac2f3a6c38a6c090827e902eedd40a83bf9faadfc225a98511d12cc
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains numerous links to external websites, many of which are hosted on suspicious domains and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. Although no scripts were explicitly extracted, the PDF structure and embedded URIs suggest an attempt to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6236

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 https://eatorhours.org/e-bussiness/fckimages/file/vibodamazajumoposek.pdf
    • http://jyotiacademicpress.org/uploads/file/80680467275.pdf
    • https://cafesca.mx/ckfinder/userfiles/files/binatojuf.pdf
    • https://pnvvr.ro/userfiles/file/36945449864.pdf
    • http://westernstudioservice.com/admin/userfiles/file/mokulozemanoselazixoju.pdf
    • http://christ-china.com/filespath/files/20210902011330.pdf
    • http://gfk-schwimmbad.de/i/File/wizez.pdf
    • https://dongciao.com/uploads/files/202109050732363015.pdf
    • https://hoangphatdanang.com/uploads/image/files/bagipewilixefozadakak.pdf
    • http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202109051158199820.pdf
    • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/161384f9b1abe9---55597980266.pdf
    • http://dongtienlamnghiep.com/upload/file/kizemelasamaforajesip.pdf
    • http://resumesfromabove.com/userfiles/file/seripukegazetubebel.pdf
    • http://sd-admin.fazendapenaazul.com/ckeditor/uploads/files/lidad.pdf
    • https://amrapalispot.com/userfiles/file/46890499673.pdf
    • https://mekongtransport.com/upload/userfiles/files/55982090509.pdf
    • https://tefen67.com/userfiles/files/71405352836.pdf
    • https://atiksigorta.com/files/gugizarojovo.pdf
    • http://stroyindustry.com/userfiles/file/xowetamovuzejusokobikam.pdf
    • http://huabulaw.com/uploadpic/2021-9/file/2021090907275573499.pdf
    • https://4of100churchstreet.com/assets/media/files/fafobibe.pdf
    • https://viettincapital.vn/upload/files/zazozimed.pdf
    • http://ottotech.center/userfiles/file/zumelinodil.pdf
    • https://best-label.com/upload/files/kivipikewonizonowuminelop.pdf
    • https://vidaleve.net/ckfinder/userfiles/files/pewatunogodewer.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=watch+jumanji+the+next+level+free+online

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