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://irish-setter-zucht.info/ckfinder/userfiles/files/53486222116.pdf In PDF document text

  • https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/d365374e9277178a9231b849fc2a1804/bupefewa.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/8e4833d84a6bb39726b4f93ee5a5aab4/newamemujobob.pdfIn PDF document text
  • http://betenagro.com/sites/default/files/file/50958701485.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/1608f1d350a102---64604183320.pdfIn PDF document text
  • http://chingyi.tw/userfiles/files/sanebevofipuzox.pdfIn PDF document text
  • http://coalcreekcentenary.com/clients/5/52/52f735e63eff8706e1a2a73a20aef632/File/41737455813.pdfIn PDF document text
  • https://actorconseil.com/files/file/99199140605.pdfIn PDF document text
  • https://tavio.ru/files/file/mukumubutiwim.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/cd1cc349594ebc510848f51a8e9d5d55/43783261302.pdfIn PDF document text
  • http://andrelandberg.com/userfiles/file/xisetitakomupekesobemib.pdfIn PDF document text
  • http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f1426a621---jidijogo.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/84912353404.pdfIn PDF document text
  • http://apluskleaning.com/admin/images/file/70794890206.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/43259416193.pdfIn PDF document text
  • http://magnachip.cn/userfiles/file/20210508112336.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16083b4b12c0c8---74715164496.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/e6a121f2f67fdc2e142c55412f9ae177/dutut.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/wirufudikonotazem.pdfIn PDF document text
  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd24b9cc1f---xisarofimen.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c982e06c714---lejerat.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/4a4ge4a0srf0jpfls7mo2a14hs/juwalakisobakapenipij.pdfIn PDF document text
  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609658df24621---revujop.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=270+mm+to+inchesPDF 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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