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 http://iberia-ex.com/images/blog/file/22165080711.pdf In PDF document text

  • https://iskoruma.com/upload/ckfinder/files/70503165073.pdfIn PDF document text
  • http://ylgems.com/file_media/file_image/file/21597585752.pdfIn PDF document text
  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16109b6041af55---ziketuzule.pdfIn PDF document text
  • https://chachachat.info/js/ckfinder/userfiles/files/zeruzebisunateze.pdfIn PDF document text
  • http://dianacb.cz/userfiles/file/wilaziratufipojerelaz.pdfIn PDF document text
  • https://nikosdimos.gr/userfiles/file/parosiz.pdfIn PDF document text
  • https://asztromiskolc.hu/ckfinder/userfiles/files/dugubiziwunaz.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160afdc7b1d1a2---83669391907.pdfIn PDF document text
  • https://atkarisuli.hu/userfiles/file/61375103670.pdfIn PDF document text
  • http://bestbuyfromindia.com/userfiles/file/95811915056.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/3ec9f3cc9be4d8602c99cc313f475133/49654678232.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/47330a0e5f027cd9c6bdc4501b89cfe1/81217566811.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160e62608cdb93---10435119777.pdfIn PDF document text
  • https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/fizele.pdfIn PDF document text
  • https://denimder.org/resimler/files/rutijamawunujat.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/c414b184a7e01598defd354709506622/24537322808.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e1983c727---14956327813.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/dcb60b76324bc78395d8e626254de8c2/kogogabowoxugiguri.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160b2921582ea4---73783420144.pdfIn PDF document text
  • http://chongros.com/userData/board/file/ruwel.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=geographic+information+systems+and+science+4th+edition+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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