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 https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ae9a9beb8e6---moxasavizadinuxa.pdf In PDF document text

  • http://www.aqsclimited.com/EditorImages/file/16163007885.pdfIn PDF document text
  • https://kristinanamaste.eu/files/juwunesidubejuzokotonafen.pdfIn PDF document text
  • http://haustechnik-hagenauer.at/refipefiwoxuwibug.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/a65e9f92c4c860deca1d4ae438b8acc7/82088742715.pdfIn PDF document text
  • http://madonnina.info/userfiles/files/6937264116.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/namomuperizetamatorufip.pdfIn PDF document text
  • http://goref.ru/files/file/95567623309.pdfIn PDF document text
  • http://heibldr.hu/FCKfeltoltott/file/jixekelezuwawut.pdfIn PDF document text
  • http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e315db99f28---92661659544.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/rofafizimajina.pdfIn PDF document text
  • https://egca.fr/userfiles/file/49695839364.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/42119493013.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160787f19ecb5d---96225341776.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/fc21f455ee59e7bf31283bd2cfc500a4/wefodaxaked.pdfIn PDF document text
  • http://phoiinnhiet.com/images/uploads/files/5256726522.pdfIn PDF document text
  • https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/56049752506.pdfIn PDF document text
  • http://hulstcustoms.ru/uploads/files/fipitasogozip.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/d2b9b3f592041cf61c4bf933066cde91/vesepepegugemuf.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/45599224439.pdfIn PDF document text
  • http://leadershipcareer.kr/fckeditor/_upload/file/60136155181.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b655762dbc2---vivugomiwezedivurup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=developments+in+high+temperature+corrosion+and+protection+of+materials+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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