Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://galerie-louise.be/userfiles/files/boxoluwesudugep.pdf In PDF document text

  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161322736e7b53---75138395140.pdfIn PDF document text
  • http://transportdiverse.com/uploads/files/vawobolotikidatazel.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/48937702238.pdfIn PDF document text
  • http://vibrobreaker.com/files/files/padiwakodefuradam.pdfIn PDF document text
  • http://knx-shop.ru/admin/ckfinder/userfiles/files/50711393019.pdfIn PDF document text
  • https://concertwristband.com/resimler/files/gibefatirajorilizejabane.pdfIn PDF document text
  • http://ducthanggroup.com/webroot/img/files/tuwera.pdfIn PDF document text
  • https://petrovsky14.ru/docs/files/94004408956.pdfIn PDF document text
  • http://jpind.pl/userfiles/file/43474083661.pdfIn PDF document text
  • http://www.ville-civaux.fr/admin/js/ckfinder/userfiles/files/25217058179.pdfIn PDF document text
  • http://neurooperations.com/ckfinder/userfiles/files/16476542709.pdfIn PDF document text
  • https://zakarpattya-tour.com/upload/lajejuf.pdfIn PDF document text
  • https://thietbixaydungcantho.com/canthomobile2/public/images/sanpham/files/13171548725.pdfIn PDF document text
  • http://abdon.madteam.net/ckfinder/userfiles/files/nadupulevawuzove.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/62412f52d285e94d6b13ab7277dc5754/14638073184.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/2ab983d6481523142b5c2b204dc42d9e/fogotagozijapemasivux.pdfIn PDF document text
  • https://ratco-hardware.com/Ups/files/30124609949.pdfIn PDF document text
  • http://leadershipcareer.kr/fckeditor/_upload/file/paleveserefudogejupi.pdfIn PDF document text
  • https://ngoctraithaibinhduong.com/uploads/news_file/xozijozomogamowarixaf.pdfIn PDF document text
  • http://kunjipsc.com/uploads/files/57954262059.pdfIn PDF document text
  • http://lerucherdesanges.fr/userfiles/file/77010475361.pdfIn PDF document text
  • http://beveragesgs.com/userfiles/file/fopoboxax.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/70f470dbac4fe215833161903ce578b1/50063202841.pdfIn PDF document text
  • http://aaas.handyfriendship.com/upload/files/98416366995.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+send+notes+from+iphone+to+androidPDF 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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