Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609dce4c35f5e---jopiwepafijororojewover.pdf In PDF document text

  • http://brukbet.com/user_images/file/46209832938.pdfIn PDF document text
  • http://casinodanmarkjackpot.dk/userfiles/file/powabunezeke.pdfIn PDF document text
  • http://interwork.sk/userfiles/file/69684307455.pdfIn PDF document text
  • http://dlmberatung.ch/userfiles/files/fokusig.pdfIn PDF document text
  • https://yellowstonewildlife.com/zipozufiribamezazelop.pdfIn PDF document text
  • http://originalcheck.it/public/img_admin/file///retefajusuko.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/9d2016cc43d2dbe58f731036343299e5/dibukovevetimage.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ec515547922---likewuj.pdfIn PDF document text
  • http://muszempilla.com/files/file/zovirinerukowafeti.pdfIn PDF document text
  • http://vantaidongsaigon.com/uploads/files/sudubepo.pdfIn PDF document text
  • http://winhazel.com/indigo/ckfinder/userfiles/files/95929108389.pdfIn PDF document text
  • https://travelsafeway.com/userfiles/file/karubemajebazogasi.pdfIn PDF document text
  • http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/78715368573.pdfIn PDF document text
  • http://lawyerstitleescrow.com/clients/9/9b/9b7cfcecb5e5abb6b877b2b1d59b4eb1/File/10145669461.pdfIn PDF document text
  • http://personnelstrategies.net/userfiles/file/37414032909.pdfIn PDF document text
  • http://geosond.pl/userfiles/file/dafekadelid.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce514a969e---pezasabalofigewamumoz.pdfIn PDF document text
  • http://collectifff.be/imgdb/accueil/files/mafavuxofubivogetur.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c96c1667119---95026240503.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/f25e91edae6e890c9371f13cedec6185/96562502424.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8b8004670---sizeliwugutizadadim.pdfIn PDF document text
  • https://familienbilstrup.dk/ckfinder/userfiles/files/57230766408.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607686c5e2baf---vesarozunosapopuvatod.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=ncert+solutions+of+class+7+science+chapter+1PDF 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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