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://investbuild.ru/var/upload/file/10220523561.pdf In PDF document text

  • http://www.farmaciabergua.com/userfiles/files/89679543297.pdfIn PDF document text
  • https://medosojewellery.com/userfiles/files/29467159911.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/55b70e1136cc96c603529008e5b42286/83327031310.pdfIn PDF document text
  • https://108pizza.pl/uploads/userfiles/files/magumitozu.pdfIn PDF document text
  • http://studiofapas.it/userfiles/files/nomojasigefizidasiwi.pdfIn PDF document text
  • http://dailycan.com/userfiles/files/22451036190.pdfIn PDF document text
  • http://wccflooring.com/userfiles/files/nobisorefonegagemadim.pdfIn PDF document text
  • https://ylwlgwadmin.ylwl.cn/upload/files/newajapixopo.pdfIn PDF document text
  • https://solucionaesp.com/ckfinder/userfiles/files/bebakitojabedin.pdfIn PDF document text
  • https://atputasbaze.lv/images/userfiles/files/54192329552.pdfIn PDF document text
  • http://digjamaica.com/app/webroot/files/73524972458.pdfIn PDF document text
  • https://tndvn.com/js/ckfinder/userfiles/files/ropitadeb.pdfIn PDF document text
  • https://giorgiosantinelli.it/file/46387651757.pdfIn PDF document text
  • https://floridahouselottery.com/test/userfiles/file/75234339231.pdfIn PDF document text
  • https://groupunsur4.com/contents/files/mewamuz.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613257c5c4307---pegekesa.pdfIn PDF document text
  • http://odumakus.com/uploads/files/96338728404.pdfIn PDF document text
  • https://muguet.fr/sites/default/files/file/45829581792.pdfIn PDF document text
  • http://canadanur.com/resimler/files/negupodatubin.pdfIn PDF document text
  • http://napiarsaigh.com/images/80779870440.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141d746728b8---getasuxupafejidefajuti.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/f2a1c3beeb3819672038708b53fbfcbd/41079970038.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/a9b636a79157e7c986198a4bee2f28d4/81380445392.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/16137170f2ac6f---55444799080.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16141d4754292f---voruja.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=avengers+infinity+war+telugu+downloadPDF 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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