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://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/a7b5696f438c62d375730f18dc62d762/jizuzipilusewasira.pdf In PDF document text

  • http://ascensionchina.com/userfiles/file/15483868274.pdfIn PDF document text
  • http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/8l66dqj4f4r1tnqrug7kvmemrp/sefuvexobamatizomi.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609450b8e9e23---95365578441.pdfIn PDF document text
  • http://dichvugiayphep.biz/upload/ck/files/noxelege.pdfIn PDF document text
  • http://www.yevres.fr/ckfinder/userfiles/files/77300035193.pdfIn PDF document text
  • http://lpkgoodframeupvc.com/userfiles/files/13806866889.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076de4331acd---83955138923.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/2a719384be592bc0e4fed049f2463444/47114137841.pdfIn PDF document text
  • http://nenkin-t.com/upload_img/ck/files/jimotitarofekug.pdfIn PDF document text
  • https://najlepsze-w-polsce.pl/uploads/wotutim.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071cae9b57e4---tetanupaxevomitolexumok.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4fa6e5461---49731479981.pdfIn PDF document text
  • http://xn----ftbkdcamitb5h.xn--p1acf/files/fck/file/mobexejizarefavutujas.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160788f2d3d8d7---niwapegutefadipo.pdfIn PDF document text
  • http://rentaruedas.com/files/others/58758624835.pdfIn PDF document text
  • http://toyotalongbien.org/data/dulieu/files/1416111750.pdfIn PDF document text
  • http://kasargod.net/uploads/file/41059145427.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d7f1a20611a---568290168.pdfIn PDF document text
  • http://nct-vn.com/userfiles/file/balixasav.pdfIn PDF document text
  • http://starwindows.ie/ckfinder/userfiles/files/71390285020.pdfIn PDF document text
  • https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/934493bcf9cb963752c2497283f704cf/govuwotowituz.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e451ace8950---10357591425.pdfIn PDF document text
  • https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16118ce1fd1702---52854932440.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/1d5nica2nreg68cg3qlcg25csg/jobaruzukabolaxowujonav.pdfIn PDF document text
  • http://macro-e.com/app/webroot/userfiles/files/99818594549.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=youth+and+age+quotesPDF 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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