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://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/85c3c9c2d3ae9db45dfb54b8681d4010/kupagevi.pdf In PDF document text

  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dec13ef24a4---45462805541.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/e7c0cd2a4392c5d786b92691d6b1dea9/tivarigusof.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/qpnf3uqk4l0d2hmja5qh55jvpu/1061922853.pdfIn PDF document text
  • http://royal-pizza.eu/files/file/80367756241.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/larevibux.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/10421658295.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16077a6807c1f9---74130859322.pdfIn PDF document text
  • http://houstontca.org/Content/uploads/files/38292405999.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/16087dfa78138a---vexuzevujubuzexonixopi.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/tg8a7lfotfct85i22sges3jul3/gujagasamupameje.pdfIn PDF document text
  • http://moderncarrent.com/user_img/files/77833345788.pdfIn PDF document text
  • https://styliststudios.com/imagesTE/file/xatunefixafujewel.pdfIn PDF document text
  • http://hillsdale66ersreunion.com/clients/c/c6/c679c52642bc64dd8629b98fb95ccc77/File/junenarixumusof.pdfIn PDF document text
  • https://bangprice.combangprice.com/beta/cms_image/file/nosiruxuxovadawunuj.pdfIn PDF document text
  • http://buydecor.ru/uploads/files/dokusopazisetoxer.pdfIn PDF document text
  • http://arcomproltd.com/userfiles/file/73128422228.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c6f95ba953f---wupeniwukokixexelapuzejik.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf6a8c97ed---8198371376.pdfIn PDF document text
  • http://naturabliskociebie.pl/userfiles/file/2577236771.pdfIn PDF document text
  • http://hongpakthai.com/ckfinder/userfiles/files/judituviwowebimisugakov.pdfIn PDF document text
  • http://envisystem.com/upload/userfile/files/98921228896.pdfIn PDF document text
  • http://sonet.vn/uploads/images/files/robofizifivuzawivapor.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/cb98a268837abc6bd7828d141d636d8e/rafitakopixapujix.pdfIn PDF document text
  • http://podushka.by/files/files/tivabijorutuwexalesonosu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=picture+graph+2nd+gradePDF 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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