Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://ketchas.ru/uplcv?utm_term=the+best+american+essays+2018+pdf+download PDF link annotation

  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160796819aaa1b---gekuko.pdfIn PDF document text
  • http://parkettes.org/clients/b/b3/b30d687fb0e6fb0c44210170e51784d9/File/japexof.pdfIn PDF document text
  • https://mytalk7.com/_UploadFile/Images/file/76276001705.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1607efb65b93a3---doviv.pdfIn PDF document text
  • http://straub-online.ch/userfiles/files/93967944634.pdfIn PDF document text
  • http://bjaimama.com/data/upload/2021/05/file/202105100541517938.pdfIn PDF document text
  • http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095c575b94fa---76076834063.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608a08250f9f4---punuxoluge.pdfIn PDF document text
  • http://all-pass.com/folder/editor/file/guwewediloxawog.pdfIn PDF document text
  • https://www.khaosanpools.org/ckfinder/userfiles/files/79358639144.pdfIn PDF document text
  • https://arerp.kr/data/file///vulavuver.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093ad3217886---53753855076.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a961dd58804---xaxewimo.pdfIn PDF document text
  • https://iva-vietnam.com/userfiles/file/93197009748.pdfIn PDF document text
  • http://www.neocota.com/fckimages/file/dolalikitiviwibu.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/tv80vf6nckp089i8gssf7rroai/gikebumiferikezo.pdfIn PDF document text
  • http://angerdress.store/ckfinder/userfiles/files/sanizujurixikapozoti.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/29bb381ebd9a1ee7ef3dcd282efa68da/rajatefupumigabagukovom.pdfIn PDF document text
  • https://thai-airpark.com/ckfinder/userfiles/files/pilodo.pdfIn PDF document text
  • https://avela.md/userfiles/file/fujawexekamuwufi.pdfIn PDF document text
  • https://isleo.com/i_photos/file/tafepodurulegavitud.pdfIn PDF document text
  • http://parejalecaros.com/adjunto/upload/fck/files/bixegogimazufira.pdfIn PDF document text
  • https://cuatudongbinhduong.net/uploads/files/gizudibeba.pdfIn PDF document text
  • http://radio-salsa.com/php/rs/filesupload/file/jixixirezukiditeme.pdfIn PDF document text
  • http://epoxidice.ro/mm/file/nosukebofodufakawutojer.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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