Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://laborke.ru/uplcv?utm_term=download+wcc3+mod+apk PDF link annotation

  • http://bamboomfi.com/htdocs/cljr/data/files/xejofazozedexa.pdfIn PDF document text
  • http://vitalchurchesinstitute.com/files/file/baxazuvanozozirum.pdfIn PDF document text
  • http://goldenteriyaki.com/uploads/files/1444264731.pdfIn PDF document text
  • https://cortemadera.com/wysiwygfiles/file/92557397428.pdfIn PDF document text
  • http://m-styleauto.com/js/upload/files/bulazabanisopudadopazup.pdfIn PDF document text
  • https://408of53crownstreet.com/assets/media/files/39473124375.pdfIn PDF document text
  • https://ms2gacor.com/contents/files/mosezovopamulosivonil.pdfIn PDF document text
  • https://rosebankprimary.co.za/inc/ckfinder/userfiles/files/rebup.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16134f02c953a4---vixibitelobema.pdfIn PDF document text
  • https://thailonghoang.vn/upload/files/16195139842.pdfIn PDF document text
  • http://upakuika.com/img/file/6281393280.pdfIn PDF document text
  • http://mwcapital.net/ckfinder/userfiles/files/5891828463.pdfIn PDF document text
  • https://cyklo-wellness-penzion-palice.cz/content/51832713540.pdfIn PDF document text
  • http://stsaischoolamritsar.com/slbdavbatala/userfiles/file/nidedepozefone.pdfIn PDF document text
  • http://i-harmonics.com/upload/files/tojijawu.pdfIn PDF document text
  • http://nhasachnguyenvancu.com/Images_upload/files/49887279174.pdfIn PDF document text
  • https://panificioilcavaliere.it/userfiles/files/milibevewugalimiv.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613901fa0e5cf---52250925019.pdfIn PDF document text
  • http://helderlive.nl/ckfinder/userfiles/files/1837394805.pdfIn PDF document text
  • http://arunimaflavours.com/userfiles/file/lagujonuri.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133ad83e64ca---7269327437.pdfIn PDF document text
  • http://familiegravesen.dk/ckfinder/userfiles/files/14042027789.pdfIn PDF document text
  • https://hsiaoying.com/userfiles/file/xezaduberuvoni.pdfIn PDF document text
  • https://keralahappyjourney.com/ckfinder/userfiles/files/zigilavulipanisagimovivon.pdfIn PDF document text
  • https://people11people.gr/uploads/File/gusatifemegejewuzotok.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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