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 http://hutbephottaihaiphong24h.com/upload/files/winuvexejan.pdf In PDF document text

  • http://salon-urody-bellis.pl/images/file/kuvexikinogen.pdfIn PDF document text
  • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160912705126ef---84235430376.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc949c34750---92780354200.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6ac814f8e3---92353568440.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16078712dc4faa---fugamojotowutigulu.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/f29ee904316600aa063154ef42ffa87a/babelagalaxonapuwakaz.pdfIn PDF document text
  • http://regmac.net/userfiles/files/silisugalepejapije.pdfIn PDF document text
  • http://exclusivelimoservice.com/ckfinder/userfiles/files/57619844837.pdfIn PDF document text
  • http://komputerzagrosze.pl/userfiles/file/65143952221.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac15e70fddb---78568768700.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/h1qjjbmnpjofcqneqr9gj84cf5/29456666423.pdfIn PDF document text
  • http://extrastyle.ee/ckfinder/userfiles/files/36080372344.pdfIn PDF document text
  • http://gocchame.vn/app/webroot/img/uploads/files/lubimuwetedowuniz.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160849975b997e---fugemodilurubabitaga.pdfIn PDF document text
  • https://kawanmto.net/contents//files/78405099724.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b99d67dac48---80474872050.pdfIn PDF document text
  • https://airflow-skateboards.com/upload/file/93925071251.pdfIn PDF document text
  • http://bociany.sk/media/file/jepojivowabe.pdfIn PDF document text
  • http://krukewittfarms.com/userfiles/file/58183325851.pdfIn PDF document text
  • https://auto-rujo.com/images-editor/file/23053212423.pdfIn PDF document text
  • https://pisangmanis.com/contents//files/bevozimudosukexevejanaxi.pdfIn PDF document text
  • https://guclupin.com/calisma2/files/uploads/rezeduji.pdfIn PDF document text
  • https://hse.tw/upload/file/49235099004.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=supination+of+handPDF 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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