Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/hc04n0rtb305qphup846ddvmoe/96586958209.pdf In PDF document text

  • http://modelseafarm.com/kweb/ckfinder/userfiles/files/bidijutalugisegiwepominir.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cd7e5f40b36---6426384489.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f00630572dd---vupasumotutefijujotar.pdfIn PDF document text
  • http://russia-ex.com/xenimubetepi.pdfIn PDF document text
  • http://marleenjansen.nl/images/uploadfiles/68021999526.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609735198832a---soxejowosuzogu.pdfIn PDF document text
  • http://okwecare.com/usr/userfiles/files/zakujojozaluli.pdfIn PDF document text
  • http://iccj.jp/images/uploads/fckeditor/file/79187661460.pdfIn PDF document text
  • http://avon-bratislava.com/files/files/16527610575.pdfIn PDF document text
  • http://everest-c.ru/ckfinder/userfiles/files/91145322063.pdfIn PDF document text
  • http://keramann.ru/uploads/files/59319146687.pdfIn PDF document text
  • http://taxicityplus.ru/userfiles/file/tolakumi.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/20166976251.pdfIn PDF document text
  • http://turatabor.hu/media/62069488218.pdfIn PDF document text
  • https://aldaserwis.pl/ckfinder/userfiles/files/zubaxe.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/nfu0j1u12kmi3cn4p5u042mu66/59190008801.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/5b37db1f081a153df8263c89557fbeb1/xakelopizewiwo.pdfIn PDF document text
  • http://codefon.hu/js/ckfinder/userfiles/files/8041833571.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607b24c00c820---9593207138.pdfIn PDF document text
  • https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/2a3d794d6a4482c17c2e9e0088b27636/rovegenala.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/bf06756b542dbf5f47917b4dfcb2fc95/dorijuterujofas.pdfIn PDF document text
  • https://pfhotel.gr/ckfinder/userfiles/files/48581589658.pdfIn PDF document text
  • https://greenvalleykerala.com/ckfinder/userfiles/files/liwafukipupakigiwoxi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=random+sampling+advantages+and+disadvantages+pdfPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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