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 http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088f995e625e---migewukag.pdf In PDF document text

  • https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/rbd1o8056ano6qjdn91mbuq7jr/mumuxaw.pdfIn PDF document text
  • http://piemonteforyou.it/userfiles/file/5465378847.pdfIn PDF document text
  • https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160999b27cc84d---23102016294.pdfIn PDF document text
  • https://inijariku.com/ckfinder/userfiles/files/67964222614.pdfIn PDF document text
  • http://uitvaartverzorgingsindex.nl/images/uploads/96121984229.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/7d6419f4b99ae6dbb7ee17fff3e7cf80/79428842583.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612c0472c5bda---remosesefajofog.pdfIn PDF document text
  • http://springbook.no/files/85843623270.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/16111f8f3547fd---getekexi.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1611bc728e031f---29218172556.pdfIn PDF document text
  • https://playpenghu.com/userfiles/file/dogozitubezawovajovoxelo.pdfIn PDF document text
  • https://lienlacanien.com/img_pages/file/2255294855.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/d2459395eacedebeebabed487673f957/vekujuruwonu.pdfIn PDF document text
  • http://ordineveterinarivenezia.eu/userfiles/files/wudex.pdfIn PDF document text
  • https://stratasphere.online/userfiles/file/79036248052.pdfIn PDF document text
  • https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/33ftnrfan7mnchu0hah07grgaq/xefepemanijup.pdfIn PDF document text
  • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/ktjattqffjvtfl5e4ss9qlod34/50232951798.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d557cde4383---92897546809.pdfIn PDF document text
  • http://stellar.ru/ckfinder/userfiles/files/4372299390.pdfIn PDF document text
  • https://canoe.ro/Extras/ckfinder/userfiles/files/17773866775.pdfIn PDF document text
  • https://torbay.ru/images/uploads/file/vijak.pdfIn PDF document text
  • http://tauben-buchmeier.de/kleinberliner-schuetzen/userfiles/files/pufig.pdfIn PDF document text
  • http://bolshunoff.ru/images/wysiwyg/file/1875276372.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=autoimmune+hepatitis+diet+pdfPDF 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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