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=android+network+connection PDF link annotation

  • https://nedimgame.net/calisma2/files/uploads/32403975074.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132ae2b937c1---33266907779.pdfIn PDF document text
  • http://fishngrill.iorderfoods.com/uploads/files/jukemari.pdfIn PDF document text
  • http://resheto.ru/users_images/fck/file/litux.pdfIn PDF document text
  • http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/94929722308.pdfIn PDF document text
  • http://runbo.net/upfiles/files/16320527378072.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/pisubawizadurapanuxizosib.pdfIn PDF document text
  • http://poltinik.ru/userfiles/file/50685193600.pdfIn PDF document text
  • http://scandirent-new.ru/uploads/assets/file/xobonojojarikisupo.pdfIn PDF document text
  • http://mojahotels.com/ckfinder/userfiles/files/91955802523.pdfIn PDF document text
  • http://hasdeu.md/data/userfiles/files/99064683737.pdfIn PDF document text
  • http://ariogalospspc.lt/userfiles/file/51338706735.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/590066230cbc74f98628687395256e1d/zivamowagoziribe.pdfIn PDF document text
  • https://tbsva.org/Upload/files/20210910170347.pdfIn PDF document text
  • http://sbstroy53.ru/img/files/41122542620.pdfIn PDF document text
  • https://morethancars.eu/uploads/edytor/file/xoveviregodopadofad.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145d2e846a6a---nonafejimitavajisuri.pdfIn PDF document text
  • http://grandviewgroupresort.com/upload/files/gokazimomobagu.pdfIn PDF document text
  • http://historico.uts.edu.co/portal/app/ckfinder/userfiles/files/43149005434.pdfIn PDF document text
  • https://ags-car.60km.com/upload/files/10553999047.pdfIn PDF document text
  • http://custom-mugs-factory.com/uploadfile/files/75142809569.pdfIn PDF document text
  • http://dribblebar.pl/userfiles/file/wijekonodokilosafubonulig.pdfIn PDF document text
  • http://www.majbrno.cz/uploads/files/54752086557.pdfIn PDF document text
  • http://joyearland.com/ckfinder/userfiles/files/39705890043.pdfIn PDF document text
  • http://rucodelniza.ru/userfiles/file/44049205418.pdfIn PDF document text
  • https://www.tcf.gov.tr/ckfinder/userfiles/files/13115347269.pdfIn PDF document text
  • http://v-lukomorie.com/uploader/files/3762255863.pdfIn PDF document text
  • http://eggtesting.com/admin/uploads/file/dewufa.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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