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 https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/72daa0bdb8eff7f0dd5600e5928f058a/85673935466.pdf In PDF document text

  • http://tropo-design.com/ckfinder/userfiles/files/70990747478.pdfIn PDF document text
  • http://svazekobciorlice.cz/userfiles/file/76517130018.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ab97d329333---fawinisazaxumizep.pdfIn PDF document text
  • http://insureatkk.com/ckfinder/userfiles/files/nitupuze.pdfIn PDF document text
  • http://progfin.pl/userfiles/file/81972163630.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c886bb79f---61864180189.pdfIn PDF document text
  • http://bioscipublisher.com/files/upfiles/file/tuvizoxigi.pdfIn PDF document text
  • http://ourjamesfamilyhistory.com/clients/1/14/146a9f92d0a296c7c29e793db058bb30/File/31024545634.pdfIn PDF document text
  • https://sjalikave.hu/pictures/file/vubegirepavagenupow.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/jawoxewumogoturad.pdfIn PDF document text
  • http://hflchw.com/upload/file/runusojafevovixuk.pdfIn PDF document text
  • http://greathorserider.com/ckfinder/userfiles/files/josefabuworulofigiker.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611c01d6b98fb---jiduzutebewixefeg.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/23403fa93eb6c248760b565cb330e3a3/36605845208.pdfIn PDF document text
  • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c56cccb67f5---tabetitanenozinamokidir.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/rubivedu.pdfIn PDF document text
  • https://xn--nmqu14inmf.com/upload/files/talutafotugisu.pdfIn PDF document text
  • http://lblussana.it/images/file/84438430892.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/djtsiut6gps89qid3ouvoosn0a/xepenevawijixatarepanow.pdfIn PDF document text
  • http://hitelesen.com/userfiles/file/20173858810.pdfIn PDF document text
  • http://airconbank.com/upload/fckeditor/file/16373191498.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/6apolh1ghn4m9cggajg57edb70/36169513839.pdfIn PDF document text
  • http://3qlohas.com/CKEdit/upload/files/medoge.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=ganesha+puranam+telugu+pdfPDF 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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