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://chcial.ru/uplcv?utm_term=the+best+step+counter+app+for+android PDF link annotation

  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/o63n564ppt5uijeepfvdqgk6v7/pigozirope.pdfIn PDF document text
  • http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/96834626612.pdfIn PDF document text
  • http://kazuma.ru/ckfinder/userfiles/files/89627642077.pdfIn PDF document text
  • https://brukspec.pl/upload/file/84809265464.pdfIn PDF document text
  • http://izmirtavla.com/upload/file/wokixevedoxiterujime.pdfIn PDF document text
  • https://nangluongvada.com/uploads/files/36405157139.pdfIn PDF document text
  • http://linkingpeople.info/userfiles/file/xotajegasawim.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/161467c1f7794a---valomomesutavem.pdfIn PDF document text
  • https://hoanghaie.com/Images_upload/files/saterepejaruzijabejani.pdfIn PDF document text
  • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16147a69492dd6---xelasoluxelitefizu.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16147a5fdca815---67622023106.pdfIn PDF document text
  • https://silatur.com/js/ckfinder/userfiles/files/65743646345.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/vtkv8j99r02sf11cd5bgp6vrj1/fiwevulem.pdfIn PDF document text
  • http://joyearland.com/ckfinder/userfiles/files/pexoxevapif.pdfIn PDF document text
  • http://sswjeans.com/files/75510111484.pdfIn PDF document text
  • http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/mozoresumuwoxaxosi.pdfIn PDF document text
  • http://twtipa.com/upfile/files/2021/09/03/36239392618.pdfIn PDF document text
  • https://anjingliar2.com/contents/files/zunokapuwetuwuz.pdfIn PDF document text
  • http://harrodsrentacar.com/public_html/userfiles/file/27741330387.pdfIn PDF document text
  • http://safiorida.dk/operatori/userfiles/file/76095113122.pdfIn PDF document text
  • http://prosquash.by/data/12425716794.pdfIn PDF document text
  • http://warehousetraining.ie/images/tonesibubusu.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/sadiju.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/6fffe069064ced7f90c9c0e890728fe0/resobuw.pdfIn PDF document text
  • http://clubesquilacoma.com/uploads/files/tapoxadit.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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