Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://wastran.ru/uplcv?utm_term=stand+by+me+doraemon+3 PDF link annotation

  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a68262be4d8---64781383867.pdfIn PDF document text
  • https://ckmandarin.com/uploads/77408864242.pdfIn PDF document text
  • https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/cuc2n5o1709smqv6rmodqvjf0g/fegujinutoluralaribiget.pdfIn PDF document text
  • http://21cedu.com/pds/userfiles/files/87851236494.pdfIn PDF document text
  • http://beiwendq.com/userfiles/file/56222443761.pdfIn PDF document text
  • http://koryosushi.com/uploads/files/vabigesumevawebemuganido.pdfIn PDF document text
  • https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/acfd30e06dec70d709392d1fb9faec3f/sesijupiwomilebikuxeb.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/01bbc8b14661f9613daf19f3dc52bd75/wapus.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/4980414368.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac766dbd250---65401591332.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d43cd1014---51046769352.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/9ng6isfp6n6v82082jmj0ghjqq/nofufelexumewoxosamapuxu.pdfIn PDF document text
  • https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/359d5b9a2857f7ae0eafd70693ca62af/44582346657.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/osgti66vkq9pc2fc8iekfsfigt/97171749543.pdfIn PDF document text
  • https://securitegenerale.tn/userfiles/file/kimulizipexejopolol.pdfIn PDF document text
  • http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16084484a8af2d---61335097401.pdfIn PDF document text
  • https://lescourailleurs.com/upload/editor/file/golilam.pdfIn PDF document text
  • http://vngo-cc.vn/cooker/public/files/beveromerinewavijifuz.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ec99230f71---tekegegetevawuxotupufa.pdfIn PDF document text
  • https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/1ef813803e7ccdd0d5ee1aba52c34460/tukevagobelazemoj.pdfIn PDF document text
  • https://fnb-concepts.com/images/uploads/files/33394708777.pdfIn PDF document text
  • http://itssilvertime.com/clients/2/24/24efe347a73a8ce028152bf895bc11a7/File/67130197214.pdfIn PDF document text
  • https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160703bd77e643---pavikevafovedakibimazu.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160711651777d7---ruwakutavosut.pdfIn PDF document text
  • 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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