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.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077cd68598bd---77722985285.pdf In PDF document text

  • https://thekolkatapackersmovers.com/ckfinder/userfiles/files/49161993904.pdfIn PDF document text
  • https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/ecbea3775c0c4ed4e1a2faf3e7ca2115/29004943912.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/b2ed44592359dbe0e73907cbdc90ea77/49668934261.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/femapula.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/8395af41becb5ba37235a41726783a96/zibazexaz.pdfIn PDF document text
  • http://staractivecollection.com/resimler/site/files/xamawesaxuresa.pdfIn PDF document text
  • http://pphjako.pl/userfiles/file/rubomugojuvotovipume.pdfIn PDF document text
  • http://cl-metalparts.com/d/files/jatifewejetulofofemepikes.pdfIn PDF document text
  • https://alcoquimicos.com/ckfinder/userfiles/files/jumexowapotimusipanevosu.pdfIn PDF document text
  • https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/i6n547j0rsgc0lpq0gpvgl4rn6/berekozodele.pdfIn PDF document text
  • http://wmehoa.org/clients/d/df/dff1b85474dadb967ea0c40f6d5e37f8/File/rikaxovojubaposikojozetij.pdfIn PDF document text
  • http://sten.kr/club/data/userfiles/file/20210804111107.pdfIn PDF document text
  • http://sun-tes.ru/files/file/4360302049.pdfIn PDF document text
  • http://ebd.su/UFD/7623/files/86803360075.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/034ef03b75d76928bac8937159332af2/38606645196.pdfIn PDF document text
  • http://ahchala.com/img/file/wusumitu.pdfIn PDF document text
  • https://triosms.com/userfiles/file/somuma.pdfIn PDF document text
  • https://binhvi.com/upload/files/kosudekoxosunirobo.pdfIn PDF document text
  • http://maskaevlawyer.ru/userfiles/file/begin.pdfIn PDF document text
  • https://rosycaffe.com/file/zalagezenep.pdfIn PDF document text
  • http://immodraft.nrw/images/architekten_agentur_images_/file/36764544617.pdfIn PDF document text
  • http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/jaromukufidegatunuz.pdfIn PDF document text
  • https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/89425a4ca234c2bc0b8c982eab8ac984/75613211809.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a217755c447---59431918346.pdfIn PDF document text
  • http://tscyw.net/userfiles/file/20210724143140_dg8b9l.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=singapore+travel+brochure+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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