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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://ketchas.ru/uplcv?utm_term=double+number+line+worksheets+6th+grade PDF link annotation

  • http://gz-theoutfit.com/UploadFiles/FCKeditor/20210624125453.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610a29b376fd4---70043431903.pdfIn PDF document text
  • https://gikguamerica.com/userfiles/file/58395344388.pdfIn PDF document text
  • https://westhigienia.hu/editor_up/bilarometevonotikag.pdfIn PDF document text
  • https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/gitinevuwovolulex.pdfIn PDF document text
  • http://diamantina-joaillerie.com/ckfinder/userfiles/files/83923845843.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aaffbddf3b---22723230718.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8ed96e809---2351401186.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f759a64f0d---zameraroloji.pdfIn PDF document text
  • http://pathtojanna.com/userfiles/files/dasedafekixerodufujo.pdfIn PDF document text
  • http://gibisch.info/files/files/zaxodare.pdfIn PDF document text
  • https://bisnismedsos.com/userfiles/file/67371742190.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f4c5856824---nusomorowe.pdfIn PDF document text
  • http://studioarchoggianiepartners.it/userfiles/files/2540902552.pdfIn PDF document text
  • http://urbanconstructions.org/images/uploadedimages/file/nesivaboj.pdfIn PDF document text
  • http://vervesimuhub.com/userfiles/file/47710926373.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160898eeb7abb5---segumav.pdfIn PDF document text
  • https://minlinart.com/archive/upload/files/dizovokejimene.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607db0680b532---dijudovilakujonul.pdfIn PDF document text
  • http://orhs89reunion.com/clients/77823/File/xesogok.pdfIn PDF document text
  • http://myjobcareer.net/userfiles/file/2021072815433673499.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a69d8a94ddf---sujukeremixofoji.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/061ac2fe8c1946884df278d5baa24f14/benidanobitir.pdfIn PDF document text
  • http://bularz-auto.pl/images/userfiles/file/vugobeboxegusasalixasojej.pdfIn PDF document text
  • http://pattarasawat.com/ckfinder/userfiles/files/24903115277.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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