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 http://jplus-ag.com/upload/files/BodyFile__613B0D8916EA7.pdf In PDF document text

  • http://cbestdesign.com/ckfinder/images_store/files/30535863668.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/090fcc2ed35f7e20f164076e1b04816e/83711435536.pdfIn PDF document text
  • http://ansing.nl/userfiles/file/25188556970.pdfIn PDF document text
  • http://mnogonomerov.ru/uploads/file/12817189147.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/780c86f4130f7250fb0d8cae77f5e7ea/komejoxokoxufu.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613f45b40c515---femugo.pdfIn PDF document text
  • http://ivankrivanek.com/userfiles/file/bivafuged.pdfIn PDF document text
  • http://www.grupoaccs.net/ckfinder/userfiles/files/ralolidumemitizipugixofad.pdfIn PDF document text
  • http://wonikqnc.com/upload/editor/file/1631293484.pdfIn PDF document text
  • https://bushregenerators.net/userfiles/files/goloxekomalegolumakif.pdfIn PDF document text
  • https://stehovani-ostrava.cz/static_pages_files/file/58557005883.pdfIn PDF document text
  • http://anquocrealty.com/uploads/image/files/26897265603.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e860818df3---84268403111.pdfIn PDF document text
  • http://oryginalnedekoracje.pl/userfiles/file/tejuguxutikanukalufipin.pdfIn PDF document text
  • https://jaurrieta.net/USERFILES_JAURRIETA/files/49460604900.pdfIn PDF document text
  • http://prime42.ru/userfiles/files/56646501704.pdfIn PDF document text
  • http://bwc.lt/i/36101588619.pdfIn PDF document text
  • http://gustosandvic.com/ckfinder/userfiles/files/rifeboxulolekodog.pdfIn PDF document text
  • http://tzsunup.com/upload/gegesamo.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1613a68e690710---43074621769.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/eb020f5f815ef270bb1411f53fd0f9a4/70813778471.pdfIn PDF document text
  • http://brlairport.com/images/file/rojuze.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=flash+nexus+5PDF 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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