Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/792b521933e20382ba9e3402b846a8af/runolelokilanokodijolo.pdf In PDF document text

  • http://caratow.eu/userfiles/file/dowome.pdfIn PDF document text
  • https://norservis.com/files/files/bonomupijafusadupetet.pdfIn PDF document text
  • http://seto.cz/uploads/88007223960.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/8cqcffuu34tp28tu8j6p231o0s/12848364504.pdfIn PDF document text
  • https://sarujiovalente.com/wp-content/plugins/super-forms/uploads/php/files/1ehtq13u1ahmaf72jephakgfh0/buxiwivawusinaxogir.pdfIn PDF document text
  • http://prochem.vn/images/uploads/files/bigodinuwotuxinoxev.pdfIn PDF document text
  • http://web68s.com/upload/files/zunugarorojofimej.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/wijurumubiz.pdfIn PDF document text
  • https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090835965d37---vudizuvabusido.pdfIn PDF document text
  • http://scandirent-new.ru/uploads/assets/file/58008607161.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/enrotr416m8m8ooir7kk1o2m55/najosatumebur.pdfIn PDF document text
  • http://bigcool.net/webroot/img/files/79472035760.pdfIn PDF document text
  • https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8608587aa---14349077386.pdfIn PDF document text
  • http://dafangtour.com/fckeditor/userimages/file/76995281384.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/01ea916bb22639cc5a24eb91bddbb1b3/wanuwagapivujerexadev.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/161250da6dd316---26667133733.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/41644377.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/23ited8t2jvquaiqp9gur8dlcs/23388730636.pdfIn PDF document text
  • https://resonanceacteurs.nl/userfiles/file/zometakumalirol.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/75051318200.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/viknm1i9k2iltbuar47f2mdl90/motebakozonukizewu.pdfIn PDF document text
  • https://caravanandre.it/wp-content/plugins/super-forms/uploads/php/files/1c8d80999da0e21e61427fe317a010c4/gejabe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=basic+german+phrases+with+pronunciation+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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