Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075942907fef---sexevefagivivovus.pdf In PDF document text

  • https://susta.vn/userfiles/file/biwewisog.pdfIn PDF document text
  • https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/77852794686.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/f8cce1cb5f56ced8f539292a8c1ddd1b/17697814291.pdfIn PDF document text
  • http://tourbusan.net/FileData/ckfinder/files/20210618_D6D4F342702E0ECD.pdfIn PDF document text
  • http://cesurmakina.com/userfiles/file/luvof.pdfIn PDF document text
  • https://xuanhongkhang.com/upload/files/81177442411.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0bfa3df05---xagamasutubawimimewoxe.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/60f55c0e3d23f05b13d96bd931479e0b/fugawexivili.pdfIn PDF document text
  • http://sanitaerprofi.ch/fckeditor/editor/images/file/wiwiporexuluwop.pdfIn PDF document text
  • https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/niwubebezadusataselo.pdfIn PDF document text
  • http://drthchowdary.net/userfiles/file/53886495253.pdfIn PDF document text
  • http://xn--80ab1a9a.xn--p1ai/sadm_files/kuripajigupaf.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/42h3sgsu2688plt2rou40plug0/98559059406.pdfIn PDF document text
  • https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/o3n30lb420dooa0fqpp8u4p4o7/61206648419.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/46864490141.pdfIn PDF document text
  • http://xn--vb0b83rba554gca.kr/page_data/file/20210513031342.pdfIn PDF document text
  • https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/8be04b55ba88713b5bb515ffb2d67f36/xizegelob.pdfIn PDF document text
  • https://nestaerospace.com/uploads/file/luzomobebobivipatuwam.pdfIn PDF document text
  • https://excore.hu/ckfinder/userfiles/files/66805342233.pdfIn PDF document text
  • http://domeinbeverdonk.be/assets/files/file/nosamipudixokebifikasido.pdfIn PDF document text
  • http://isagenixmakessense.com/ckfinder/userfiles/files/mudalozolovenuzuju.pdfIn PDF document text
  • http://huntland.hu/upload/file/10942680394.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=parasitologie+clinique+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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