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://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/634e3525eb9e33b03d3691377a4d8a61/xerozakabatofegero.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a16d4a8871d---26595946503.pdfIn PDF document text
  • http://www.valathors.com/ckfinder/userfiles/files/logemonido.pdfIn PDF document text
  • http://oodow.cn/upload/file/2107300522153981291ica2jvxmlew.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d7c35ebc03b---82026915219.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/75581938690.pdfIn PDF document text
  • https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/e03d7821922c646e5085daa55f814d26/radatotasuran.pdfIn PDF document text
  • http://shsuorui.com/uploadfiles/fckeditor/20210620/file/16241442569815.pdfIn PDF document text
  • https://air-separation-supplier.com/d/files/77058959098.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/zometujemi.pdfIn PDF document text
  • https://amitadevnani.com/userfiles/file/69946378506.pdfIn PDF document text
  • https://casalindasbakery.com/ckfinder/userfiles/files/kezolamolajizerimeraro.pdfIn PDF document text
  • http://africa-emergence2019.com/userfiles/file/52568059545.pdfIn PDF document text
  • http://dianacb.cz/userfiles/file/52574771642.pdfIn PDF document text
  • http://textstricker.de/benutzerdateien/1929948749.pdfIn PDF document text
  • http://sntaviator.ru/ckfinder/userfiles/files/4627382497.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f81f5eb5385---ragizegukovunodorixagivaz.pdfIn PDF document text
  • https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/pgbi308n9bl270ee5rvi83k3dg/35672533236.pdfIn PDF document text
  • http://georgekoldun.com/var/upload/file/75464005237.pdfIn PDF document text
  • https://olterus.net/contents//files/3529657116.pdfIn PDF document text
  • http://noithatlekhanh.com/Images_upload/files/5437631021.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fbb5101651---gukelo.pdfIn PDF document text
  • https://casabresciani.it/uploads/file/9301054331.pdfIn PDF document text
  • http://aivieksteslaivas.lv/userfiles/file/66823716782.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f22818718d---24200578988.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=ensinar+a+ler+e+escrever+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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