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://irlanc.ru/uplcv?utm_term=all+apps+on+android+crashing PDF link annotation

  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f63c373104---47531424732.pdfIn PDF document text
  • http://railwaysrailroads.com/upload_files/files/difetaweludekavej.pdfIn PDF document text
  • http://ghalemdi.com/userfiles/file/31082349293.pdfIn PDF document text
  • http://renovfab-menuiserie.com/userfiles/file/41859331386.pdfIn PDF document text
  • http://abwcoliseum.com/uploads/files/37537082554.pdfIn PDF document text
  • https://marthomaktrplrdiocese.org/ckfinder/userfiles/files/67006528818.pdfIn PDF document text
  • http://urgentcarepb.net/userfiles/file/30867735972.pdfIn PDF document text
  • http://raylutickenterprises.com/userfiles/files/lakadovorixiserexum.pdfIn PDF document text
  • http://nemeckystrakac.sk/editor_uploads/files/pozavalojajiw.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16135eeefe1dd4---51237155256.pdfIn PDF document text
  • http://www.companyforte.com/imagenes/editor/file/16678875655.pdfIn PDF document text
  • http://jocoseatee.com/userfiles/files/nuvoma.pdfIn PDF document text
  • https://10playsolutions.com/clients/softklk/documents/_articles_/file/bikefibi.pdfIn PDF document text
  • http://busankid.com/webfiles/board/file///wituropijulajume.pdfIn PDF document text
  • http://sh-songshi.com/admin/upimg/file///domid.pdfIn PDF document text
  • http://nakakinpump.kr/fckeditor/upload/file/faladejaposi.pdfIn PDF document text
  • https://isitekmuhendislik.com/userfiles/file/79596173362.pdfIn PDF document text
  • http://mclarenquartz.in/ci/userfiles/files/72839985618.pdfIn PDF document text
  • https://daynexweb.com/upload/ckfinder/files/makujakojavi.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b63c440f58---ketiwo.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/cb86124ad15f09f4f0f4a2ebcb089489/68499379608.pdfIn PDF document text
  • http://danguykhoidoanhnghiephp.vn/Upload/files/92388444608.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/161385f970595a---59386575819.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/wewadavo.pdfIn PDF document text
  • https://wtmasonry.com/ckfinder/userfiles/files/pimatuzevuzirewedi.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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