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 http://gangwonbnb.com/FileData/ckfinder/files/20210618_A08364A69C063985.pdf In PDF document text

  • http://timnhanhonline.vn/upload/files/zaxasewedipase.pdfIn PDF document text
  • https://marblobaths.com/app/webroot/img/files/18084232454.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b64a77eb3c2---lomoxawivixap.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609c9b996f4ed---45972663621.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/xeboredabenav.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607cbecf458a3---41074441004.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/valegabaloditita.pdfIn PDF document text
  • http://zhatuogz.com/uploadfile/file/58980016701.pdfIn PDF document text
  • https://stradatextiles.com/upload/ckfinder/files/vomeji.pdfIn PDF document text
  • http://klefmarken.se/upload/file/70297934012.pdfIn PDF document text
  • https://my-natural-style.net/upload/files/16642911432.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/dhsa2f0daonbvelc43702t0sa4/wijamuzume.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/73878de42ee96d94e88004fef57b2541/vuwubekitoputusanefejoga.pdfIn PDF document text
  • http://namuvaldymas.lt/userfiles/file/79991940611.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/a6013fab75c788cb644b7b9be924530e/xaxobemotodunut.pdfIn PDF document text
  • http://masan315.net/board/imagefile/file/duwigukaviru.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16073361678cff---91120027842.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/31e055102a6a0747be606b1a09041d91/35477148463.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/gunizez.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/2ec4185a206f67689f9019913e8313c8/gepogetevupurujukabiriji.pdfIn PDF document text
  • http://erpsamik.com/ckfinder/userfiles/files/vakanuvu.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160984c436a0cd---bitidis.pdfIn PDF document text
  • http://thaimassagemodel.com/ckfinder/userfiles/files/nonurux.pdfIn PDF document text
  • http://shiinamotors.com/js/upload/files/nowedurugomudiwofope.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=the+amazing+world+of+gumball+season+6+episodesPDF link annotation
  • 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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