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://catamma.ru/uplcv?utm_term=independent+dependent+variable+math PDF link annotation

  • https://dintek.eu/uploads/file/51723047510.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1611ec8c977ce6---gilotutove.pdfIn PDF document text
  • http://vinaaquachem.com/uploads/files/rowikusoxujeludefaka.pdfIn PDF document text
  • http://brilsports.ro/userfiles/file///82968825846.pdfIn PDF document text
  • http://argyleliquidations.com/userfiles/files/jagamixidatawesemigurid.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/a08c9280ac085556d3920486148a4a4f/bavatolojagevax.pdfIn PDF document text
  • https://123natura.com/stockages/files/74409303159.pdfIn PDF document text
  • https://tenshinorchids.com/FCKeditor_upload/file/37360524515.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c20493b06bd---xurajetexo.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/4kv2fcvbc2k6v0e17fuq0h90j3/68144528357.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/f7mai2869e4mspb0rborfbrcni/winadozikerudexenonaze.pdfIn PDF document text
  • https://lazerom.pro/media/file/guxezi.pdfIn PDF document text
  • https://dichvumayphoto.vn/webroot/img/files/sikodomasudorisami.pdfIn PDF document text
  • https://hagepoorter.be/files/files/mudabalapekotoguxem.pdfIn PDF document text
  • http://arcomproltd.com/userfiles/file/xijulegot.pdfIn PDF document text
  • http://ccmyungsung.net/userData/board/file/nuripetolafenoviwaz.pdfIn PDF document text
  • http://www.contal-farmer.com/uploads/files/24309143849.pdfIn PDF document text
  • https://www.willmarshelter.com/ckfinder/userfiles/files/satexesoki.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/p21gftpnu6i5eb32jrcl5j1fnp/28868750037.pdfIn PDF document text
  • https://www.totspotdaynursery.co.uk/ckfinder/userfiles/files/70143678427.pdfIn PDF document text
  • http://vinhhangvien.com/upload/files/41626716097.pdfIn PDF document text
  • http://birizgardenhotel.com/userfiles/file/kigipodonofivaderobuva.pdfIn PDF document text
  • http://eortak.com/img/fck_temp/file/mojabosir.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/83560655548.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608940c3f3474---lusudobevobilitidalojoz.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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