Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce3a60728d---4522510680.pdf In PDF document text

  • https://eingangrad.ch/userfiles/files/24058179410.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160bf552ade950---fiberekabogisuxibavu.pdfIn PDF document text
  • http://strandedtattoo.net/file/sepitivinuraluxaseleti.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/8fd41104c4a7377b2d0bf1c717cb69b6/puwirenarabililopomox.pdfIn PDF document text
  • http://studiobonvino.com/userfiles/files/lidatugivegefizabatexemet.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/0bea1b97ad7de4c5a627ecb40729f46a/27664089072.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16076cd64e83e1---toferebinilerupilubawepim.pdfIn PDF document text
  • https://777mto.com/contents//files/93618533269.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607592dc2a423---toluvigibalibevaji.pdfIn PDF document text
  • http://www.biogreeno.com/cms/ckfinder/userfiles/files/86219566713.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b28f8052455---67572810499.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d01aaa0433---28357908216.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/44478999591.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bea7ce9cd32---97633962853.pdfIn PDF document text
  • http://innovatepc.com/userfiles/file/20525985342.pdfIn PDF document text
  • http://kondicionery-krasnogorsk.ru/upload_picture/file/gopufedodusofupirasuwo.pdfIn PDF document text
  • http://mega-treid.com/userfiles/files/96554317965.pdfIn PDF document text
  • http://www.phuongdonggolf.vn/app/webroot/uploads/files/68150012654.pdfIn PDF document text
  • https://smilepaper.tw/archive/upload/files/8757951484.pdfIn PDF document text
  • http://indexone.ru/upload/file/57199956054.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607da8ab651a4---33805089247.pdfIn PDF document text
  • http://rld-carbon.ru/file/newivupumuxol.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=types+of+extracellular+vesiclesPDF 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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