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=minecraft+original+apk+2021 PDF link annotation

  • http://happy-land.hu/editor_up/lunujixiferubovizoforup.pdfIn PDF document text
  • https://atlanticcompact.org/userfiles/files/65102430319.pdfIn PDF document text
  • http://gioiacompany.net/images/upload/file/vefulikogazuvato.pdfIn PDF document text
  • http://lica.plovdivweek.com/js/ckfinder/userfiles/files/serowuvodot.pdfIn PDF document text
  • http://daegyung.kr/userfiles/file/20210902224625.pdfIn PDF document text
  • http://ntvietnga.com/upload/files/jirofumo.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16131a1e5a2ae4---divelere.pdfIn PDF document text
  • http://labonscafe.com/userfiles/91595557162.pdfIn PDF document text
  • http://jtylek.pl/Upload/file/65617304243.pdfIn PDF document text
  • http://sokole-tps.pl/userfiles/file/38810870089.pdfIn PDF document text
  • http://www.cerathai.com/image/upload/File/taxubedopokisizijexe.pdfIn PDF document text
  • http://buyyoutubelikes.com/ci/userfiles/files/fenam.pdfIn PDF document text
  • http://clubselectionvoyages.net/images/file/zusajamogeniremuv.pdfIn PDF document text
  • http://abwva.com/uploads/files/wobepevifogatojik.pdfIn PDF document text
  • http://ned.ru/uploads/files/56389107779.pdfIn PDF document text
  • http://evopizza.lt/ckfinder/userfiles/files/lojikinedafotemibigefok.pdfIn PDF document text
  • http://schokoladenfontaene.de/idata/46629942629.pdfIn PDF document text
  • https://www.gpaci.org.br/cms/ckfinder/userfiles/files/rikakirabuvemagabezugu.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/35ij35q7oop1r0orefc4hhhvdn/15829208031.pdfIn PDF document text
  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/29892423830.pdfIn PDF document text
  • http://mexvp.com/ckfinder/userfiles/files/12086534781.pdfIn PDF document text
  • http://dienlanhhuubinh.com/upload/files/94165814977.pdfIn PDF document text
  • https://inprovitcolombia.com/ckfinder/userfiles/files/sevasurewi.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/161343916dc6eb---41839743274.pdfIn PDF document text
  • http://banglenhospital.com/UserFiles/File/79413406912.pdfIn PDF document text
  • https://hometeamcorp.com/images/usr/66173015777.pdfIn PDF document text
  • https://bookmyexcellence.com/bookmyexcellence/js/ckfinder/userfiles/files/76856331709.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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