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://coretry.ru/uplcv?utm_term=android+move+applications+to+sd+card PDF link annotation

  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141b893f2b37---64485342008.pdfIn PDF document text
  • https://thai-airpark.com/ckfinder/userfiles/files/70144970370.pdfIn PDF document text
  • https://betenagro.com/sites/default/files/file/92280424109.pdfIn PDF document text
  • http://namadagaskare.ru/ckfinder/userfiles/files/16917382890.pdfIn PDF document text
  • http://prosefkuchare.cz/userfiles/sofofonidumulo.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614032ffe5a18---woxodorokizuzon.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/sirutolumoregijitosa.pdfIn PDF document text
  • https://buka.ru/sadm_files/30480610994.pdfIn PDF document text
  • http://www.msjcongregation.org/www/js/ckfinder/userfiles/files/68313693590.pdfIn PDF document text
  • http://rasmesafar.net/basefile/basefiles/bibatiz.pdfIn PDF document text
  • http://diakmelo.hu/ckfinder/userfiles/files/jenuvitevuxefitaxabefuxa.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-9-11/20210911212840143997.pdfIn PDF document text
  • http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/29027604592.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b16f1985d---31788812685.pdfIn PDF document text
  • https://777mto.com/contents/files/xowoju.pdfIn PDF document text
  • http://twtime.com/uploads/files/202109010716101061.pdfIn PDF document text
  • https://wisserarm.nl/app/webroot/files/userfiles/files/56115584482.pdfIn PDF document text
  • https://osiindia.org/ckfinder/userfiles/files/nesajezefatifodejexefo.pdfIn PDF document text
  • http://srmtteaparty.com/uploads/files/202109021921478966.pdfIn PDF document text
  • http://fortwashington.abwingsmd.com/uploads/files/5850438160.pdfIn PDF document text
  • http://grup-rul.ro/printuri-fi/files/towigikunirawutexaxopelem.pdfIn PDF document text
  • http://phongthuydotho.vn/upload/files/13942851021.pdfIn PDF document text
  • http://wedding-box100.com/uploads/files/202109152147036315.pdfIn PDF document text
  • http://morard-mcf.fr/data/Files/79555092218.pdfIn PDF document text
  • https://angel-juicer.com/FileData/ckfinder/files/20210915_EA03E08E8D3A9310.pdfIn PDF document text
  • https://mediacentre.heathrow.com/js/ckfinder/userfiles/files/gugukolukexi.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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