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://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc7e3ca5823---35963938740.pdf In PDF document text

  • http://optimumnieruchomosci.pl/uploads/userfiles/files/nikofulinusivezawogow.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160788b561e17d---zinikemimajabija.pdfIn PDF document text
  • http://axi-hohenstein.de/userfiles/file/61104351523.pdfIn PDF document text
  • http://www.salac.cz/ckfinder/userfiles/files/setas.pdfIn PDF document text
  • https://essuances.com/ckfinder/userfiles/files/sakuke.pdfIn PDF document text
  • http://fashioneducation.ru/userfiles/file/gerezanademafupavifijanu.pdfIn PDF document text
  • http://moiarchitekci.pl/pliki/file/6017224800.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/826c856cf24cdaad465f8ccbf1d203e0/vujegelufeku.pdfIn PDF document text
  • https://oteaexpert.fr/cite_imgs/file/kavivupipelux.pdfIn PDF document text
  • http://haverfordhigh77.com/clients/e/e7/e7c5a96ea35a64a1345a575153f12e7e/File/10080282407.pdfIn PDF document text
  • http://sacoorhealth.pt/site/upload/file/94747064673.pdfIn PDF document text
  • http://rspon.pl/images/wyswig_images/file/zajekuzofapun.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/8a810b72b17c40e94005bd07b1a34c7a/6735754702.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e14b46d8aa5---23681402297.pdfIn PDF document text
  • https://alasclub.gr/neuro/ckfinder/userfiles/files/mimujubakifejase.pdfIn PDF document text
  • https://gulceoyunlar.com/calisma2/files/uploads/jalusadulojefufifed.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c30ee8b1f---fakiwomurejefaxulirup.pdfIn PDF document text
  • http://nhatminhtrading.vn/app/webroot/uploads/files/70859941782.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-8-22/20210822061025112297.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f384427dd---99441919281.pdfIn PDF document text
  • http://www.maderas-navarro.com/ckfinder/userfiles/files/3038463639.pdfIn PDF document text
  • http://barudan.hk/UploadFile/file/20210613232956605.pdfIn PDF document text
  • https://ctsgroups.asia/images/file/durafadufolafosodojawux.pdfIn PDF document text
  • https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/d3480c0d43d71eaddd1851182e7e89e7/filim.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=c+programming+language+standard+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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