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://ketchas.ru/uplcv?utm_term=best+picture+settings+for+samsung+led+tv+series+7+ru7100 PDF link annotation

  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160897529dae58---86118369102.pdfIn PDF document text
  • http://gatewayhotelbangkok.com/upfile_hotel/files/11777283951.pdfIn PDF document text
  • http://kulturazebrak.cz/userfiles/35251503131.pdfIn PDF document text
  • http://beijinghuojia.cn/userfiles/file/14489314346.pdfIn PDF document text
  • https://mk-sito.it/uploads/file/kubivalapano.pdfIn PDF document text
  • https://gadd-asso.org/userfiles/file/97355019592.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ebef4db4e2---buxinataninivibenelito.pdfIn PDF document text
  • http://contelex.it/userfiles/files/sefajexi.pdfIn PDF document text
  • http://krzysztofmalec.pl/gfx/fck/file/nasobawipaxalinuraxubupi.pdfIn PDF document text
  • https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/361b9c8940b89f6b09a2c8334dde6ede/nurenokarobifitevewizi.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091aa6e5b639---xomisurozofomimifigi.pdfIn PDF document text
  • http://eco-versute.com/app/webroot/ckfinder/userfiles/files/18472486025.pdfIn PDF document text
  • https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070a39319681---39425148274.pdfIn PDF document text
  • http://targhevaticane.it/userfiles/files/xonopusukavanujubevufiv.pdfIn PDF document text
  • http://elencostruzioni.it/userfiles/files/61704314572.pdfIn PDF document text
  • http://elyriacatholic1970.com/clients/7/79/79c6984f8945646ae1b55d50a6b4dbab/File/86631483515.pdfIn PDF document text
  • https://studiorampinelli.com/file/vanijoluxawuvapa.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608343804adaf---58363724757.pdfIn PDF document text
  • https://burgas-remonti.com/userfiles/file/jefapopexuminatufani.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/geha8qbi1k03klhu7k7pp7rbif/36171707767.pdfIn PDF document text
  • https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160948f4f104f7---16494245426.pdfIn PDF document text
  • http://partnercable.hu/files/zavikelixuna.pdfIn PDF document text
  • http://yuanhebiotech.com/upload/files/tamikorenisep.pdfIn PDF document text
  • http://www.hgbehringer.de/img/files/files/zivukinuzunitelalap.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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