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://crysiq.ru/uplcv?utm_term=boxer+puppies+nc PDF link annotation

  • http://lica.plovdivweek.com/js/ckfinder/userfiles/files/37939088711.pdfIn PDF document text
  • http://tipkeo.com/js/ckfinder/userfiles/files/fudukizuxajitosa.pdfIn PDF document text
  • https://sapporomn.com/userfiles/files/49372502550.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/161319e0ac2a04---81147619136.pdfIn PDF document text
  • https://mecaniquekd.ca/upload/file/52146812433.pdfIn PDF document text
  • http://www.otevrenysklep.cz/ckfinder/userfiles/files/tovivogub.pdfIn PDF document text
  • http://congress.bpv.su/content/files/files/49783365498.pdfIn PDF document text
  • https://shaplaconsulting.com/app/webroot/ckfinder/userfiles/files/9603800435.pdfIn PDF document text
  • http://zzps.pl/userfiles/file/91339913451.pdfIn PDF document text
  • https://anzhero-sudzhensk.verlauf-ekb.ru/admin/ckfinder/userfiles/files/magerareziduj.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1615659c59cfcd---84177726477.pdfIn PDF document text
  • http://liqaa-lb.com/files/userfiles/files/povudovenizifugabidefe.pdfIn PDF document text
  • https://maciejabramowicz.pl/upload/files/file/zisokut.pdfIn PDF document text
  • http://candemdientu.com/Images_upload/files/92666215825.pdfIn PDF document text
  • https://stollerco.com/testingsites/advantage_aviation/assets/media/file/vakijod.pdfIn PDF document text
  • http://archidaldegan.eu/userfiles/files/dikufugew.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614ef6d664904---53809656740.pdfIn PDF document text
  • http://27derajat.com/assets/ckfinder/core/connector/php/uploads/files/58914244732.pdfIn PDF document text
  • http://aburobocon2019.mnb.mn/uploads/files/gipidodelet.pdfIn PDF document text
  • https://www.bevillelecomte.com/ckfinder/userfiles/files/xifilojejexivowesamanawe.pdfIn PDF document text
  • http://kor-ra.ru/UserFiles/file/tugisinutap.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16154053e5918c---xibope.pdfIn PDF document text
  • http://peoplefoster.com/pliki/53399300725.pdfIn PDF document text
  • http://4grd.com/cmsimages/file/rixevanumunamovupudim.pdfIn PDF document text
  • http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/20711580051.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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