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://ketchas.ru/uplcv?utm_term=remove+slide+to+unlock+android PDF link annotation

  • http://bajkolandia-leszno.pl/userfiles/file/pokisove.pdfIn PDF document text
  • https://guineaservicesproviders.com/gsp/files/padumukusuv.pdfIn PDF document text
  • http://adirondackseafood.com/ckfinder/userfiles/files/taromorawesi.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/dc5d4e7bf018eee938ded1e20a0470b1/4438092578.pdfIn PDF document text
  • http://proallprint.com/userfiles/files/vegaraxurobupokitedoraso.pdfIn PDF document text
  • https://giritrademark.com/content_files/files/sefudad.pdfIn PDF document text
  • http://daming-school.com/userfiles/file/71711562791.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/66163696179.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/49rg786ft594i3s6djho9umo34/41030589550.pdfIn PDF document text
  • http://kurumakaitori-one.com/js/upload/files/xalefurebitamepatij.pdfIn PDF document text
  • http://motopujcovnateplice.cz/userfiles/file/40226512187.pdfIn PDF document text
  • http://odra.cycling-recycling.eu/imgturysta/files/118023276.pdfIn PDF document text
  • http://juncheng.tw/upload/files/18741639274.pdfIn PDF document text
  • https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b76d3eb80a---49679333035.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/9mncvd809s10h35v89bt4utd9k/magasupebepobutokefolav.pdfIn PDF document text
  • https://serviceelectric.ca/userfiles/file/50101185895.pdfIn PDF document text
  • http://parcroyale.hk/userfiles/bigolitifututifeg.pdfIn PDF document text
  • http://baobianhkhang.com/upload/files/wagujomofa.pdfIn PDF document text
  • https://www.cygnusdvlp.in/nitdurgapur/uploads/editorUploads/userfiles/files/70203677197.pdfIn PDF document text
  • http://theseadiaries.com/ckfinder/userfiles/files/46025076901.pdfIn PDF document text
  • http://coyada.com/up_images/up_images/tojetojawibapejimowugif.pdfIn PDF document text
  • http://katour.ru/admin/ckfinder/userfiles/files/56890162944.pdfIn PDF document text
  • http://aweibel.com/Photo/file/28346421236.pdfIn PDF document text
  • http://caigeshi.com/uploadfile/file/2021091404211673499.pdfIn PDF document text
  • http://lnyuanzong.com/uploads/files/20210910111004.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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