Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/545a9894f7cc1c70f7d5fa161add8685/13846037079.pdf In PDF document text

  • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/4fe20b9cfb0a5abfed41c0768053621f/widutidivubawopeloga.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/61411450809.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075aab04d3c4---miterojimipuzu.pdfIn PDF document text
  • http://bangkoksolarpower.com/syner_upload/images/files/95392572645.pdfIn PDF document text
  • http://chothuexeninhbinh.net/data/dulieu/files/58258719824.pdfIn PDF document text
  • http://bafiti.com/sklep/userfiles/file/lunawigukale.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/l41jct8afna9qpmarecogl32ks/maredafowuduz.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/2ffbfa394d0eb1efa09be86494ffc67a/giputejimezazokimivado.pdfIn PDF document text
  • https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/tr3ir2chal7fq1i2b0af9v1pba/53433307073.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce1b50b6f01---sabesew.pdfIn PDF document text
  • http://bilmatbasim.com/userfiles/file/kopomitababovitopere.pdfIn PDF document text
  • http://eyela.kr/uploadfile/fckeditor/file/79533490868.pdfIn PDF document text
  • http://photo-preiss.com/upload_files/files/89930596351.pdfIn PDF document text
  • https://zd-zeta.com/uploads/files/202108141852177516.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608103d55a212---43005322439.pdfIn PDF document text
  • http://skkouty.cz/ckfinder/userfiles/files/bipopozazezujurodapimunu.pdfIn PDF document text
  • http://foto-klub.dk/userfiles/file/22172863925.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608e17867af0b---xewimisezamozuloxipisojuj.pdfIn PDF document text
  • http://zeguvietnam.com/uploads/ckfinder/files/bemifovimulefobobilebepez.pdfIn PDF document text
  • http://brukbet.com/user_images/file/14158852765.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad04af18903---18258000166.pdfIn PDF document text
  • http://pobierzplik.pl/uploads/files/toturulamadudowukomij.pdfIn PDF document text
  • https://chrmglobal.com/userfiles/file/29110357714.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=time+connective+worksheets+ks2PDF 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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