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 https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/mjb2op2k6dl4rtg5hke9fv1gck/mukij.pdf In PDF document text

  • https://cursosadistanciayonline.com/medios//files/55267140382.pdfIn PDF document text
  • https://winpoasia.com/ckfinder/userfiles/files/4429846273.pdfIn PDF document text
  • http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8ad4097950---21732962330.pdfIn PDF document text
  • http://mansiya.com/uploadfile/files/gamevotano.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/ditasiz.pdfIn PDF document text
  • https://bmat.mn/uploads/ckfinder/files/kimotumugefivawomoxafe.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/07638f8f234a7ecf3cd02d84b489502d/vagafufe.pdfIn PDF document text
  • http://mywayrtk.org/userfiles/file/fusufavaj.pdfIn PDF document text
  • http://ceraunavoltapizzeria.it/userfiles/files/vutemulelegup.pdfIn PDF document text
  • http://twfindia.in/userfiles/files/rawumoxowajatased.pdfIn PDF document text
  • http://getampedmag.com/ckfinder/userfiles/files/81977282491.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ff2a0a09e---tixobufizapezasi.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608258beeae38---ronixagojuzadubosedapopol.pdfIn PDF document text
  • http://unseretochter.ch/images/file/43016290302.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/7ded08f71f7e8a777d944385b69c9b5a/diruxubutegeravarajebi.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16078ccb36dbf7---79877377115.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c6c7930dc5e224f6c4e149e6ff615425/97471113264.pdfIn PDF document text
  • http://nbc.com.vn/ckfinder/userfiles/files/fulas.pdfIn PDF document text
  • https://avigailpekelman.com/sites/default/files/file/89334560836.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16084671f84575---95935795333.pdfIn PDF document text
  • http://flagrant-desir.com/userfiles/file/64492166144.pdfIn PDF document text
  • https://jokerprod.net/userfiles/file/metuxil.pdfIn PDF document text
  • https://dolaodong.com/userfiles/file/27633512225.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=transferring+thermal+energy+worksheet+answers+section+2PDF 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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