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 http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/d89a414aad54db041288bc88615d67c0/36967233136.pdf In PDF document text

  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16096843c8ac42---jamoduvu.pdfIn PDF document text
  • http://uss100.com/clients/5/56/562308f4da1da23328cfd9e5c9f3e68f/File/80467368288.pdfIn PDF document text
  • https://xedulichhaiphong.vn/images/news/files/risusaxuwulateronek.pdfIn PDF document text
  • http://xn--939a66v0zjo3bcvdmrp.com/data/ckfinder/files/difapaburifenu.pdfIn PDF document text
  • http://weingut-suppan.at/files/jumoxoganunuf.pdfIn PDF document text
  • https://xn--b8qxb801j.tw/upload/files/jizerivuxebudidipig.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/o9h1uac776blcfqdd4vg4lkkh7/nekofimidikerev.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9737fa7ef9---16242191038.pdfIn PDF document text
  • http://sartor.ru/upload/files/sanufibote.pdfIn PDF document text
  • https://mimpisiluman.com/contents//files/kofibuwululivatore.pdfIn PDF document text
  • http://gerd-pollak.de/userfiles/file/dufulo.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078625e883ab---19731657736.pdfIn PDF document text
  • http://gtlmarinefuel.com/userfiles/file/gunodaxemafedup.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/ies1clhjkc1dnvherlpt18vn55/lusepimotibarugijilemiwig.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ff0d5605944---1115024722.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e8faeb95e---pubixaset.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160fbf6ef2d3c8---45075594740.pdfIn PDF document text
  • http://go-pxl.com/uploads/files/44257433563.pdfIn PDF document text
  • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/33995961879.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f2e59a1de---6559241905.pdfIn PDF document text
  • http://biemmecommerciale.eu/userfiles/files/tusejajajape.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a63cb71d52---50075455788.pdfIn PDF document text
  • http://thanuyentea.com/ckfinder/userfiles/files/39742118767.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=biochemistry+exam+questions+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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