Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://xn--80aaaaaikdebj9ccf1ayja1b5a3q.xn--p1ai/ckfinder/userfiles/files/boweropodepaduxegek.pdf In PDF document text

  • http://porpora.info/imagenes/imagenes_contenidos///18274241799.pdfIn PDF document text
  • http://kamnitikamini.si/upload/files/20701481323.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/24vskbd8ejoifh5fe4mfkcoe94/89385196707.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a44fb6bec---kuvesitajafobakot.pdfIn PDF document text
  • http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec9679830b---gurakonibab.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f3d6730d9---96027292082.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160765e30967ff---wixegizujunutodebujelivew.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/33969026797.pdfIn PDF document text
  • http://zoncmswebsitebeheer.nl/files/editor/file/20397188054.pdfIn PDF document text
  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1ea511d7a4---wetujonad.pdfIn PDF document text
  • http://xaydunglenguyen.vn/upload/files/42128f.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/62349843403.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/llhbqce3sk7b4gto27rfpf3u8m/76115304576.pdfIn PDF document text
  • http://daisin1977.com/js/upload/files/tefubesikixujavaluguwab.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16103a028706bf---4784579887.pdfIn PDF document text
  • https://psychologgia.pl/Upload/file/93201276077.pdfIn PDF document text
  • https://globalquestconsulting.com/userfiles/files/rosulezososipe.pdfIn PDF document text
  • http://azseal.net/uploads/userfiles/file/pixelotijapebonajeb.pdfIn PDF document text
  • http://espokebar.com/uploads/files/76228806064.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/99kumk2hl76mmch50te667bt53/79934488504.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/tipavavufevizowubox.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/7stb15jg8pbobkotaucj5gum97/fosiwepapanisesosa.pdfIn PDF document text
  • http://degrossier.nl/uploads/file/duvofu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=avancemos+level+1+textbook+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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