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://crewmak.ru/uplcv?utm_term=what+is+the+collective+noun+of+hay PDF link annotation

  • https://subded.org/userfiles/file/79829527290.pdfIn PDF document text
  • https://sanagustin.cl/files/ralazulezajupeki.pdfIn PDF document text
  • http://sportschoolindex.nl/images/uploads/kuvokarixelivirejutafa.pdfIn PDF document text
  • https://sinarlangit1.com/contents/files/xolisutubezini.pdfIn PDF document text
  • https://eagleegg5k.com/ckfinder/triplebuserfiles/file/jeruzukomirilewa.pdfIn PDF document text
  • http://ciaooo.ru/uploades/userfiles/file/wavigaxefijesifipegubil.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613d56f35d021---65562539698.pdfIn PDF document text
  • https://nic-irq.com/userfiles/files/11067358407.pdfIn PDF document text
  • https://aaaxxion.info/images/file/93349042876.pdfIn PDF document text
  • http://midospa.com/upload/files/lovagurawugodatekasap.pdfIn PDF document text
  • https://dialogueinpraxis.net/files/docs/fuzavotap.pdfIn PDF document text
  • https://asoriofrio.org/ckfinder/userfiles/files/damelajogajurudere.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161335eb54510b---87638520582.pdfIn PDF document text
  • http://majorpropertygroup.com/userfiles/files/tabimeforukibasixuwefonuf.pdfIn PDF document text
  • http://www.cerel.eu/images/wyswig_images/file/xufavawunok.pdfIn PDF document text
  • http://showpelec.com/data/file/20210901_214356_941.pdfIn PDF document text
  • https://implant-drill.com/userfiles/file/18856136472.pdfIn PDF document text
  • http://borisovhlebprom.by/var/upload/file/31329084577.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/16138a3e8a52e1---16838144185.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a81b5e1463---94986815120.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/48a42c26c77bb5ca5b0c4686205b8275/jonowi.pdfIn PDF document text
  • https://nbcmedia.vn/ckfinder/userfiles/files/83118931361.pdfIn PDF document text
  • https://4of100churchstreet.com/assets/media/files/labawaremareluzufivatoxi.pdfIn PDF document text
  • http://sabaispa.net/userfiles/file/jojol.pdfIn PDF document text
  • https://taxfirma.com/userfiles/file/32363792148.pdfIn PDF document text
  • https://christianklein.eu/Quansis/ckfinder/userfiles/files/14324261177.pdfIn PDF document text
  • http://erfansari.ir/ckeditor/files/files/22127813318.pdfIn PDF document text
  • https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/90827553070.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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