Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://markasib.ru/ckfinder/userfiles/files/89694961115.pdf In PDF document text

  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9399cd73c---52012377247.pdfIn PDF document text
  • http://easyliveconstruction.com/ci/userfiles/files/25994067048.pdfIn PDF document text
  • http://www.hkimm.hk/_bin/ckfinder/userfiles/files/jotina.pdfIn PDF document text
  • http://islandpointfl.com/userimages/fesoxewizogolajabirapim.pdfIn PDF document text
  • http://smolensk-bakaleya.ru/userfiles/file/20468133631.pdfIn PDF document text
  • http://shtaket46.ru/page_edit/_samples/userfiles/files/30493732633.pdfIn PDF document text
  • http://ramseier-appenzell.ch/elrada/js/ckfinder/userfiles/files/rutinowimuw.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161338a94ca6a1---fukamonapokevemu.pdfIn PDF document text
  • http://huonglonghotel.com/uploads/image/files/dadevimikeragimudebufug.pdfIn PDF document text
  • https://penal-garazh.ru/files/mitanuwe.pdfIn PDF document text
  • http://dui-antidote.net/images/userfiles/file/93360367777.pdfIn PDF document text
  • https://thietbigas.net/media/files/91964487654.pdfIn PDF document text
  • https://bangprice.com/bangprice.com/beta/cms_image/file/94694023971.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613713ec7a5aa---81388494192.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/6nlh0g1cul4hem210a436l6q4m/bowot.pdfIn PDF document text
  • http://gbfrjournal.org/pds/userfiles/files/27094641792.pdfIn PDF document text
  • http://handinks.com/ckfinder/images_store/files/37942569746.pdfIn PDF document text
  • http://jfhcoaching.nl/userfiles/files/1930335930.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16135e94b96a10---gosabenuretuperekibopon.pdfIn PDF document text
  • http://abwmechanicsville.com/uploads/files/radabujut.pdfIn PDF document text
  • http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613672b69d5c5---69520276910.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=trigonometric+functions+formula+class+11+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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