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://chcial.ru/uplcv?utm_term=the+fly+by+katherine+mansfield+pdf+download PDF link annotation

  • https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f788afcd1e5---sekudabosa.pdfIn PDF document text
  • http://codemessaging.net/ckfinder/userfiles/files/12777828007.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b9cced1af37a24f245598ce21aed3e42/36714172324.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-4-28/20210428234618829175.pdfIn PDF document text
  • http://kzlo.pl/fotki/fotki/file/sixite.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/705e4ca90adae22ce79e4e95ccd73206/67650671233.pdfIn PDF document text
  • http://mesamiesdallas.org/clients/e/ee/ee8f1390623de39be1ac2b47a321719d/File/vunivevoselibuzagemiw.pdfIn PDF document text
  • http://shopsuathientu.com/uploads/userfiles/file/xupudejo.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608aaab43092b---29639061740.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/81657041060.pdfIn PDF document text
  • https://vibanghanoi.com/uploads/files/23766299301.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160e85e7961895---15162053353.pdfIn PDF document text
  • https://vettercycles.ch/userfiles/files/sujuxumifomegiz.pdfIn PDF document text
  • http://yournamebadges.com/withyourdog/cms_uploads/file/zugikuzazukizejejat.pdfIn PDF document text
  • https://haidangpc.com/contents/files/66801988796.pdfIn PDF document text
  • http://ajarnveerapong.com/UserFiles/file/wobimel.pdfIn PDF document text
  • http://cpils.com/userfiles/file/zoralopu.pdfIn PDF document text
  • http://cdseoulps.com/uploadfile/fckeditor/file/61366878146.pdfIn PDF document text
  • https://efnnma.org/files/file/78410356014.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160836a9d74560---78496946528.pdfIn PDF document text
  • http://metalzilembo.it/userfiles/files/68666997849.pdfIn PDF document text
  • http://shssailors1969.com/clients/3/36/366f78b21138e0f8005dfe6cc5e09e30/File/66279718325.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c56963e1266---5590325966.pdfIn PDF document text
  • http://dichvugiayphep.net/hinhanh_fckeditor/file/seradufepifotokaf.pdfIn PDF document text
  • http://greatwalledmond.com/ckfinder/userfiles/files/15657555148.pdfIn PDF document text
  • http://sakaryakasaplarodasi.org/userfiles/file/bafetozojawisavaboro.pdfIn PDF document text
  • 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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