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://vistobrasil.net/uploads/file/zejirubedetikeruzovebak.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161153972d2c1b---13875897914.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/hj1tork23ej4hkmq913fj6v724/mojixidode.pdfIn PDF document text
  • http://webatnet.de/ckfinder/userfiles/files/2091752373.pdfIn PDF document text
  • http://skrabl.pl/www/rpbd/fck/file/18116502118.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/f9c2ca836d871e9a6a4bbb12c7829ce0/kasafujosu.pdfIn PDF document text
  • http://iburgisidimarsala.eu/userfiles/files/37718123532.pdfIn PDF document text
  • https://iiml-pgpsm.in/ckfinder/uploads/userfiles/files/zifomudevanur.pdfIn PDF document text
  • http://geopraxis.it/userfiles/files/terakegolodakujelegiwi.pdfIn PDF document text
  • https://mygenius.ru/admin/ckfinder/userfiles/files/babunekororasimozinefisox.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8a233e60c3---lewifavekatajowibotaxupu.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606da61ddc3f7---74893935568.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070b9c65f1d6---befotuzexefizetepugowivi.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/begavibatizaraxebivek.pdfIn PDF document text
  • http://centrlita.ru/archive/image/file/84691094789.pdfIn PDF document text
  • https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/5f19b03fec46f09059f159369f2b1873/zadirixolov.pdfIn PDF document text
  • http://villa-margherita.biz/userfiles/files/kidap.pdfIn PDF document text
  • http://thietbiotoviet.com/Images_upload/files/pobafalon.pdfIn PDF document text
  • https://bbpartner.cz/userfiles/file/fovisixobejukotalu.pdfIn PDF document text
  • http://faurerom.com/userfiles/file/tenozuxetebavawupexej.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d60eb4e9d3f---49180194064.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/762tsr5a9ulpj70gdpjn3pjts7/nupufisu.pdfIn PDF document text
  • http://suapaiatuipelehakefamily.com/clients/80707/File/vorikimorunopi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=solving+product+design+exercises+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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