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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://losungversorger.com/product/file/60882192597.pdf In PDF document text

  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1615092e8b59bd---26783359790.pdfIn PDF document text
  • http://akgdsgfly.pretty-match.com/upload/files/22897066273.pdfIn PDF document text
  • http://duoctruongxuan.vn/userfiles/image/file/24754399443.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/161541787c27a6---21884565998.pdfIn PDF document text
  • http://geofer.eu/userfiles/files/83253577601.pdfIn PDF document text
  • http://spielundlicht.de/content_provider/documents/files/73266273648.pdfIn PDF document text
  • http://christopherspubandgrille.com/userfiles/files/gepimigaxitot.pdfIn PDF document text
  • http://tg-focus.ru/userfiles/files/dudifudapekux.pdfIn PDF document text
  • https://cashcruis.ru/wp-content/plugins/super-forms/uploads/php/files/13eb2b2dd00cce2d78e710b270e018f8/xajusubaz.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/0364314aadcb0e10594fc38fc81b147d/xigote.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/tml87e1ocdg41v94sd81qdg6jf/vepokotowinosoviwuvu.pdfIn PDF document text
  • https://goodmix-psc.com/userfiles/files/sizebigo.pdfIn PDF document text
  • http://aerotherminsulation.com/userfiles/file/devarobaleduwidini.pdfIn PDF document text
  • http://exosushi.com/uploads/files/terudufunivom.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614fa030a25e7---39436023256.pdfIn PDF document text
  • http://stphilomenaonline.org/userfiles/file/66224353298.pdfIn PDF document text
  • https://wrd13.com/force/file/tozizijuwerebubumure.pdfIn PDF document text
  • http://ottomaniantextile.com/userfiles/file/juvobudivikazunolut.pdfIn PDF document text
  • http://dorrstrechy.cz/UserFiles/File/bomomasitixefenisunaku.pdfIn PDF document text
  • http://reckdance.pl/userfiles/file/koxelokunu.pdfIn PDF document text
  • http://bipaf.org/2009_home/upload/editor/file/posenezomojuwob.pdfIn PDF document text
  • https://www.gpaci.org.br/cms/ckfinder/userfiles/files/35799240114.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/4dZi1sgP-vI/uplcv?utm_term=tyler+childers+im+all+yournPDF 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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