Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Document signing service impersonation lure medium SE_DOCUSIGN_LURE
  Document impersonates DocuSign, Adobe Sign, or a similar signing service in a signing-request context
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://inwebjor.ru/uplcv?utm_term=foxit+pdf+editor+login PDF link annotation

  • https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a042ebef5fe---91983506834.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b865e656e92---jibuk.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/71595592512.pdfIn PDF document text
  • http://tw-sincere.com/upfiles/editor/files/jejikevu.pdfIn PDF document text
  • https://wemservice.com/ckfinder/userfiles/files/mujawenenas.pdfIn PDF document text
  • http://bjerkelunden.org/content/files/userfiles/file///geziruzu.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/64acec0e2c23c25707cb14a3bd96f2e1/lisogib.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/1fe09e00a4324ec5d0191ab315b27c53/46185852289.pdfIn PDF document text
  • http://fygl.net/uploads/file/250125187876.pdfIn PDF document text
  • http://branpc.in/ckfinder/userfiles/files/zarimamoxilobuzetaxumet.pdfIn PDF document text
  • http://syntra.pl/userfiles/file/17112812885.pdfIn PDF document text
  • https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/8929236580.pdfIn PDF document text
  • https://goodluckfishing.com/ckfinder/userfiles/files/xefiwu.pdfIn PDF document text
  • https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/bc534956e2c58d710a89a85469ea0804/pupaketoxazi.pdfIn PDF document text
  • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608076ef71b3f---petebivu.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/759aa91e2ad0df38cfff4322204b2d83/dapukumovebevivo.pdfIn PDF document text
  • http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/49699717961.pdfIn PDF document text
  • http://cjandjunemillerfarm.com/clients/75830/File/41679937198.pdfIn PDF document text
  • http://mamtomchabahai.com/uploads/files/files/85299556909.pdfIn PDF document text
  • https://wulf-sanitaer.de/wp-content/plugins/super-forms/uploads/php/files/u2mlt5jns3qt2kdnv6uncf65fe/26178502310.pdfIn PDF document text
  • https://hasekei.jp/userfiles/file/vawalijodog.pdfIn PDF document text
  • http://alianzablue.com/aym_image/files/41941054647.pdfIn PDF document text
  • http://haozuowenwang.com/imagefiles/file/susidob.pdfIn PDF document text
  • https://asharfilalkulfi.com/ckfinder/userfiles/files/kaxurejugisufo.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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