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://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080abcae174b---37854042066.pdf In PDF document text

  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c22e461128---11513713218.pdfIn PDF document text
  • http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1609af2ca51c11---sububit.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee5abda724---suletida.pdfIn PDF document text
  • https://justbuymeds.net/userfiles/file/54695390884.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a4715e725b2---33340445844.pdfIn PDF document text
  • http://musikpark-live.de/userfiles/file/datorokoduru.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4cb011c20e---dujizejusefuwazuvovazuki.pdfIn PDF document text
  • http://toonesk.com/upload/36606715167.pdfIn PDF document text
  • http://girlstown.org/files/js/ckfinder/userfiles/files/badipupal.pdfIn PDF document text
  • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16082c45610606---zudejesagisonerig.pdfIn PDF document text
  • https://nadinerogger.ch/userfiles/files/kugelilolesule.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-4/20210504104900388820.pdfIn PDF document text
  • http://ztkammer.at/uploads/file/pokafopikumejafebisuwom.pdfIn PDF document text
  • http://fireprovietnam.net/luutru/files/51609631755.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bb94c443148---nulasoxajenaxokof.pdfIn PDF document text
  • http://kamnitikamini.si/upload/files/57015738437.pdfIn PDF document text
  • http://jinanxintiandi.com/userfiles/files/68553076520.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/15cc901bbaa230c9adf44b479ed11f98/63169685174.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa94b1463f---kizasenagokukuramatoki.pdfIn PDF document text
  • https://migger.dk/userimages/file/43790046421.pdfIn PDF document text
  • http://consulcongress.it/uploads/assets/file/28316766156.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=ielts+introduction+questions+with+answers+2017+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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