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://medvor.ru/uplcv?utm_term=present+verb+meaning PDF link annotation

  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/omu9p1pmpj5lkk2d4n3r1mpg55/81285311031.pdfIn PDF document text
  • http://biomassasia.net/data_ed/userfiles/file/41377550750.pdfIn PDF document text
  • http://dmychadla.eu/UserFiles/File/nolesixofeduvoxunutumofe.pdfIn PDF document text
  • https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/a4f486ab6f18a6ce66d82f37789577aa/lajepudapup.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1611fcc821dd40---zozowugar.pdfIn PDF document text
  • http://sammyuriasproperties.com/userfiles/files/3829748187.pdfIn PDF document text
  • http://duocthientam.com/uploads/ckfinder/files/62980514455.pdfIn PDF document text
  • http://gustosandvic.com/ckfinder/userfiles/files/75809201042.pdfIn PDF document text
  • https://hoangnhataudio.vn/media/files/14018558699.pdfIn PDF document text
  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/5tl0ca93gqf3im1nn1m65948u5/ropexigixe.pdfIn PDF document text
  • http://castel.lu/userfiles/files/1745924273.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe262db65c---6353571054.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160daa18739f11---6641766488.pdfIn PDF document text
  • https://chaletsuenodesol.de/files/67103127883.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bnh2ui1ll7nsdj5h4haut943g5/4178900973.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/b76606340fd4451c79083eb8e69f1c90/rejabagidanumajilej.pdfIn PDF document text
  • http://fairway.cc/images/blog/file/70856289625.pdfIn PDF document text
  • http://gloteckr.com/upload/editor/file/lijinojuvixofug.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/rb2f3v58tbk7qa166ebhh2adc0/bijegako.pdfIn PDF document text
  • http://24cvety.ru/upload/files/93589667054.pdfIn PDF document text
  • http://anatolianlgs.com/userfiles/file/29239933390.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca2ea39b3c---55349962977.pdfIn PDF document text
  • http://hoitruyengiaocodocvietnam.com/uploads/image/files/wadepo.pdfIn PDF document text
  • http://namhungholdings.com/uploads/ckfinder/files/vejadasigadit.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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