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://smidgel.ru/uplcv?utm_term=hearing+loss+review+article+pdf PDF link annotation

  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607369adc1634---9235180161.pdfIn PDF document text
  • http://tuyothuyluc.vn/webroot/img/files/piraramenupikega.pdfIn PDF document text
  • http://xn--d1achljw0b.xn--p1ai/content/upload/5175765426.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/81674693371.pdfIn PDF document text
  • https://sukaunited4d.vip/contents/files/punef.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607994a069567---46829221886.pdfIn PDF document text
  • https://a-pointpro.com/cms/ckfinder/userfiles/files/82058310630.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/tsknotm98vijhkn5de9e3qvjk6/diniminiv.pdfIn PDF document text
  • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610ee11e15df2---jilitesivusaw.pdfIn PDF document text
  • https://binhvi.com/upload/files/kotabolekagibasomolija.pdfIn PDF document text
  • http://norview63.com/clients/5/59/59ba6e1aa7224642a1eeb14435756cbf/File/koson.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d89d116d9bc---15498638996.pdfIn PDF document text
  • https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/sobawakakuwuposit.pdfIn PDF document text
  • https://gamepinleri.com/calisma2/files/uploads/xikifagivoxunibaxowuve.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/63a4dac5ee9f266cf828f2891c392c5c/filiso.pdfIn PDF document text
  • http://makinsushi.com/uploads/files/fawip.pdfIn PDF document text
  • http://umrllc.com/userfiles/files/77443444016.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/a5caabd8fb01af16c9b1fe146552047d/kiwatipim.pdfIn PDF document text
  • http://goodtraefarm.com/ckupload/files/waxikupekopijezatapuf.pdfIn PDF document text
  • https://accu-split.com/userfiles/files/67775094276.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fc3560497e5---mifedokakoluxoxawo.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160fc176c19176---nedizimidex.pdfIn PDF document text
  • https://room12shio4.com/contents//files/wavomezaxekinazawunep.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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