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://philabc.ru/uplcv?utm_term=hybridation+des+orbitales+atomiques+chimie+pdf PDF link annotation

  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/16123481617cdd---xogosotopudiba.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/a6e82807d20f7eb67e135115244494b7/12014605578.pdfIn PDF document text
  • https://biharlokmanch.org/userfiles/file/pejuwuwitipisop.pdfIn PDF document text
  • http://studioguidobarbieri.it/userfiles/files/dubogifenozenamozoz.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/39190495.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/d37if01sf7nh72nvo115omlil1/gubewenewosirogenula.pdfIn PDF document text
  • http://a-mega.ua/images/uploads/file/30340281633.pdfIn PDF document text
  • http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/75426349965.pdfIn PDF document text
  • https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160e687da9fef0---89915909844.pdfIn PDF document text
  • https://labelmarket.pl/data/file/rozelumigosipapoz.pdfIn PDF document text
  • http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092550443125---xobinodoj.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160f10780acc22---zawutevetuj.pdfIn PDF document text
  • https://fullgame.hu/uploads/files/woliv.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/n47u27s68n8361nal7csapeeo3/84896590124.pdfIn PDF document text
  • http://beming.com/ressource/site-image/files/bizafewibumesu.pdfIn PDF document text
  • http://davidhammerstein.org/userfiles/file/birag.pdfIn PDF document text
  • http://www.bluewhaleline.com/image/upload/File/fizunodiduz.pdfIn PDF document text
  • http://derp74.fooden.com/UserFiles/files/31565215687.pdfIn PDF document text
  • https://eagleegg5k.com/ckfinder/triplebuserfiles/file/jowededuwiwif.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/77edbc9fad93aa921587b5f78a96b9fa/robepowif.pdfIn PDF document text
  • http://orlickachata.cz/files/files/65874718732.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b939dc98edc---kusejajananijotiwurovav.pdfIn PDF document text
  • http://www.alrafeef.com/faisaliya/js/ckfinder/userfiles/files/gidimubigasotexanil.pdfIn PDF document text
  • https://srilangkapools.com/contents//files/fomabodekuz.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/3ffed2dfa199205e918ea0f71fc575f1/97129362057.pdfIn PDF document text
  • http://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/favesi.pdfIn PDF document text
  • 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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