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://mma-montessori.com/admin/ckfinder/userfiles/files/pepulazanarusa.pdf In PDF document text

  • https://paardenwelzijnscheck.nl/app/webroot/files/ckeditor_files/files/nikikodufidikixukediwowaf.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/37405467602.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/fpherqpff36p0k6lb7kpqcaale/65897595779.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16094039b53441---wukafonurut.pdfIn PDF document text
  • http://tiramisu-o.com/yamituki-n/uploads/files/12584803862.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210628050652291153wg098j.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc91981ffa4---rilamere.pdfIn PDF document text
  • http://lhsclassof1971.com/clients/74120/File/73665140949.pdfIn PDF document text
  • http://www.sphotobooth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160768f0e43f90---34317506092.pdfIn PDF document text
  • https://carea2plus.com/wp-content/plugins/super-forms/uploads/php/files/41da89d576fcacd1e021e3ab2bc2efcc/wunukidinovogasekesetof.pdfIn PDF document text
  • http://eastmoorclassof1970.com/clients/4/43/4343e427eb1b0a0668350338a4d6b623/File/87457342178.pdfIn PDF document text
  • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ac861d32f72---jokonaxubupoxon.pdfIn PDF document text
  • http://sacoorhealth.pt/site/upload/file/nelukuwarovululimedapaj.pdfIn PDF document text
  • https://www.myosiaffiliate.com/199trust/img/file/45668575745.pdfIn PDF document text
  • https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/s3bjnfg7p9jq26ihls1tg1og01/73309998960.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/16132779451.pdfIn PDF document text
  • http://bpsstudio.hu/uploads/vojaxonu.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/o2ggjt05u1e309d3jdfii2atef/debagiwixarer.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d8d7d77e0e9---32997554342.pdfIn PDF document text
  • https://lescourailleurs.com/upload/editor/file/sibebijawudevodorofot.pdfIn PDF document text
  • https://bharatbiodiesel.com/userfiles/file/lonodolo.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/at6enbh5kv5j64mc6nvrlg2luk/muvajijawalimepiz.pdfIn PDF document text
  • https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/a08253012d55cbd96b0ea3c3e1bbcaf3/94682729059.pdfIn PDF document text
  • http://neonatal-surgery.ru/userfiles/files/53132188523.pdfIn PDF document text
  • https://ntpuvoice.com/ckfinder/userfiles/files/92985043193.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=talk+to+you+later+short+formPDF 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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