Malicious PDF — malware analysis report

Heuristics 5

• 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://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16117cee45a9e5---24668524343.pdf In PDF document text

  • https://lapakunited.com/contents/files/pokofosuxovoguda.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d95591b617e---suxolukosekug.pdfIn PDF document text
  • http://unipsyclinic.com/userfiles/file/20210612194749.pdfIn PDF document text
  • http://www.hmh.sk/files/articles/file/38244632886.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/8ddc93f57ddf1dc182c9292b1aa14142/60809960788.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/0d83509866259b7f73eb113c5efaeb72/jinuxelexudevobujozedigi.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/19j8ejdk33oraj78rfglva5lo2/97017762066.pdfIn PDF document text
  • http://bdn10.cz/files/file/72181721934.pdfIn PDF document text
  • http://tlxzkj.com/uploads/file/231802302806.pdfIn PDF document text
  • http://tkhomedeco.com/assets/uploads/ckedit/files/20210620095232.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160860ed0399c4---zadudad.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/6f27e6f489f8964012fea00036ce58a0/rumazijezufanomitak.pdfIn PDF document text
  • https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/d7d478e6b66b713ae48432f1dfbf1389/28993161535.pdfIn PDF document text
  • http://rainesclassof1980.com/clients/3/31/314d3ac3c31ee16cfc8f78d457af0ebc/File/23321959440.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/uj8v42vcibtjhb0gpgubh27k10/ninegikefasi.pdfIn PDF document text
  • http://abwessex.com/uploads/files/67537273663.pdfIn PDF document text
  • http://museeducuir.org/upload/files/tixurejesujudi.pdfIn PDF document text
  • https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/26300598255d36c39f6007fefebdac40/vepokiw.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3f7b2c8ca---44405379228.pdfIn PDF document text
  • http://crackershrimp.com/file_media/file_image/file/ledenog.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4fcb77adb8---kogilurorememumexuko.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/reoula3opb62i5sm1f31oovck3/61586044955.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090be1c039ba---84056673861.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612b4ea1239d3---gofotefef.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/b2bfd227dd82fe9608df7e3a5c2aac68/sazusenolexetuze.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=manual+de+trading+forex+pdfPDF link annotation
  • 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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