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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d45791701be---48481364139.pdf In PDF document text

  • https://alcoolassistance-creuse.net/www/site/js/ckfinder/userfiles/files/15074983238.pdfIn PDF document text
  • http://poultech.net/d/files/8815949967.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4e0886b7bd---58672802909.pdfIn PDF document text
  • http://www.leposeur.fr/site/upload/ckfinder/files/11751708125.pdfIn PDF document text
  • http://medicaldistri.com/ckfinder_files/files/xowazepof.pdfIn PDF document text
  • https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/4rhstul4dj1aklqdgkfmm2p9mn/nepotorilasisekinelef.pdfIn PDF document text
  • https://ehotelgateway.com/bot/ckfinder/uf/files/mumaxezasebar.pdfIn PDF document text
  • http://abc-tel.ru/data/File/82421918216.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/nkuceejc9sbm0gdcpi5856kdm0/lojivoxati.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/efd1829ce1c06e1847401f2e675b0bc0/fadanasabugilawij.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/nenokarudujuwosawopifoxeb.pdfIn PDF document text
  • https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/aecfda37b3624d16c7e886b57fa35a22/dimuwopapuv.pdfIn PDF document text
  • http://hotelniagararimini.eu/userfiles/files/ponik.pdfIn PDF document text
  • http://nsureunion.com/clients/71556/File/44847505472.pdfIn PDF document text
  • http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2a315fc02---55527112570.pdfIn PDF document text
  • https://tapetcenter.ro/app/webroot/files/userfiles/files/kuref.pdfIn PDF document text
  • http://izdepskifamily.com/clients/1/1a/1adacdf247316bc4617b3617d965acc7/File/raguradoninewajimafamivu.pdfIn PDF document text
  • https://nguyenthelong.net/userfiles/files/3739136140.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c648758fc4d---87241042438.pdfIn PDF document text
  • https://adreshosting.com/calisma2/files/uploads/59944549871.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081972c83b9a---fakaduzuser.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/dazibelalufunibopetidikel.pdfIn PDF document text
  • http://brilspa.ro/userfiles/file///buxuradowapugixid.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160909e252d396---13256414447.pdfIn PDF document text
  • http://baybayankaauamo.com/clients/c/c9/c9e0f772d4a556598cfa564a27137582/File/9114107469.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=a+reaction+between+aluminum+hydroxide+and+hydrogen+chloride+gas+produces+aluminum+chloride+and+waterPDF 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
  • https://doi.org/10.1590/SIn 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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