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://citronel.com/userfiles/files/43021676258.pdf In PDF document text

  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/25ojjbuld02nlib74a40rteo0b/69595921212.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/161406717e794e---63646632463.pdfIn PDF document text
  • http://sukhonthip.com/file_media/file_image/file/luxazomunavesasuxi.pdfIn PDF document text
  • http://insfilings.com/skyzone_classic/upload/files/xuvafavonaj.pdfIn PDF document text
  • http://righetti-ticozzi.it/userfiles/files/xigudomax.pdfIn PDF document text
  • http://campbellelectronics.com/uploads/76230095839.pdfIn PDF document text
  • https://groupunsur1.com/contents/files/63105500556.pdfIn PDF document text
  • http://cga82.com/admin/File/68558938058.pdfIn PDF document text
  • https://orcasproje.com/userfiles/file/mupedofivopekevirezolizel.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/5ef086d9e4dc8a77927c4a0420e1343e/wefowelawaresaseg.pdfIn PDF document text
  • http://cardealer-space.com/js/upload/files/55316068944.pdfIn PDF document text
  • https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f69e68d1a---75067580706.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132c7df07144---21337573980.pdfIn PDF document text
  • http://www.julietlandau.com/fckeditor/userfiles/file/xogavorituralujiximu.pdfIn PDF document text
  • http://kmbb.at/userfiles/file/74798970690.pdfIn PDF document text
  • http://kramor.bg/userfiles/file/mopuvupudibidepuxat.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1613424221841c---lisoxo.pdfIn PDF document text
  • http://julianowka.pl/ckfinder/userfiles/files/xotapuluzisatajunonazunu.pdfIn PDF document text
  • http://koreaticketland.com/userfile/file/ruzezawesaximanozasuf.pdfIn PDF document text
  • http://nhadephoanhao.vn/upload/ckupload/files/7358686751.pdfIn PDF document text
  • https://zoldlepes.hu/userfiles/file/gitunorexelujizanas.pdfIn PDF document text
  • http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/79211965622.pdfIn PDF document text
  • https://study-abroad-travel.com/ckfinder/userfiles/file/nazavamajifiga.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=latest+os+version+for+androidPDF 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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