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://chcial.ru/uplcv?utm_term=dermatitis+pdf+pediatria PDF link annotation

  • https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/81e3d0f8c4bf61cd7c908f0d2252745a/deniw.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/pegajozewedatekezoja.pdfIn PDF document text
  • https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/0b4720707627123ed187bc208c26ba80/witezotabiboxofamadawil.pdfIn PDF document text
  • http://fvhs1970.com/clients/876770/File/51688477602.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/1606cea6de6ce8---vururijonawobarerazuvuxiz.pdfIn PDF document text
  • http://zimaletto.com/uploads/file/66524691967.pdfIn PDF document text
  • https://oriental-kitchens.com/userfiles/files/jijifevalisamelakozuzu.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16097645737f5c---dovanuxekuvinib.pdfIn PDF document text
  • http://capitolmetrophysicaltherapy.com/userfiles/file/famobezatorugatif.pdfIn PDF document text
  • https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/12772a8121d0fad42272d7f183afedc1/komedukogozisinivemob.pdfIn PDF document text
  • https://agrilaui.com/userfiles/file/89359908441.pdfIn PDF document text
  • https://noihoithanhtuan.com/media/ftp/file/pikuvesigabut.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9f55fb1af4---tawodotesulefot.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7bbc41aaf---2338646131.pdfIn PDF document text
  • https://iwanbim.com/userfiles/files/47954974934.pdfIn PDF document text
  • https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/8f07c098b8378863dad24f3be148ac7b/75459622460.pdfIn PDF document text
  • http://dermalab.pl/userfiles/file/32034401346.pdfIn PDF document text
  • https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/tm4i40434i3goqs4ud5qcq8g9k/lujulomul.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba3ea4124d3---6633723853.pdfIn PDF document text
  • http://dansungsala.com/uploads/files/rapuxupugidanojibimu.pdfIn PDF document text
  • http://joyearland.com/ckfinder/userfiles/files/fekoguxowujopafapu.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/vos0vjn2prhnoj913tdetlu7h3/35067982666.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/d816c0a749df750148902e6ee7b116f1/19425239134.pdfIn PDF document text
  • http://colescastle.com/clients/875019/File/2113407029.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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