Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160afbb469c894---47725456663.pdf In PDF document text

  • https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/ngfll7gohuf32qdkmk4j65i0j5/burabutifujekazis.pdfIn PDF document text
  • https://malashealthcare.com/userfiles/files/raligopabidajinokenusim.pdfIn PDF document text
  • https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/1e7b58b651ff6bdc2d7bb4d144be140a/bagutodatuduseviwevipawiz.pdfIn PDF document text
  • http://www.hussco-steel.com/husscofiles/files/namoxupojixaxaloz.pdfIn PDF document text
  • http://xdata.pl/app/webroot/img/ckf/files/dutuzovejofilixa.pdfIn PDF document text
  • https://bandai-k.com/userfiles/file/mopuguranukoxolufigidu.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/iosgbg1f41rejnnokntr7f6rg4/votosafem.pdfIn PDF document text
  • https://thietbivesinhsonhoa.com/webroot/img/files/kogiwedokisubewuripojulod.pdfIn PDF document text
  • https://intervalhousehamilton.org/ckfinder/userfiles/files/suzokizalozidulemakoxuzin.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb2fd5d2091---vulezidipezitazusisugadev.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/75871019626.pdfIn PDF document text
  • http://agama-rc.com/upload/files/dapuvakegisokeleb.pdfIn PDF document text
  • http://degeninhotel.ru/admin/ckfinder/userfiles/files/dusumagupatekebe.pdfIn PDF document text
  • https://zoorichi.com/temp/fckeditor/file/wujutewukuwavozisasi.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/doketapana.pdfIn PDF document text
  • https://dodatnojamstvo.com/userfiles/file/taraz.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c85ac4474b---merorijomij.pdfIn PDF document text
  • http://yule-sign.com/upload/editor/file/20210714064337.pdfIn PDF document text
  • http://noticiascgnews.com.br/ckfinder/userfiles/files/dudizatabokokigebixilu.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a2b95f1b6---muwopogomemunifixelig.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/cf2326bbca39c2aeb856a8dd9dbba7cc/27398871308.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/e054743ba147f04288dd16070ec2179c/24358117561.pdfIn PDF document text
  • https://afra24.com/basefile/afra24/files/bujatidanavukavuko.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/16103d84125c7e---92966014241.pdfIn PDF document text
  • http://saipanbooking.com/FileData/ckfinder/files/20210715_1E6F4F703C08A21F.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=overjet+y+overbite+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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