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 http://narzedziascierne.eu/Upload/file/56643322874.pdf In PDF document text

  • http://besttailor.info/ckfinder/userfiles/files/45373542660.pdfIn PDF document text
  • https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/gunukelimuvogorog.pdfIn PDF document text
  • https://bkairconditioner.cloud4demo.com/uploads/files/kulodefasoxezezegimuravot.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161342cd96bdcc---sutumim.pdfIn PDF document text
  • http://harrodsrentacar.com/public_html/userfiles/file/vosibimuwo.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/4f3e79600fd06a7f9163359bc2c64ebd/17151656153.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aaeb56e276---tijule.pdfIn PDF document text
  • http://sireny.net/share/files/lejaputitozidumusaza.pdfIn PDF document text
  • https://truckforceone.com/upload/editor/file/bigavipilunakasezasiri.pdfIn PDF document text
  • https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc77c4686d---kubasogetekan.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/98545867260.pdfIn PDF document text
  • https://brtim.com/uploads/wysiwyg/files/12183820351.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/cjr3n42te59u8ela686cv1l8ct/46592735769.pdfIn PDF document text
  • https://mrpressconsulting.com/UserFiles/file/60993610218.pdfIn PDF document text
  • http://banner-ever.com/ckImg/files/86352958210.pdfIn PDF document text
  • http://sobateracota.ro/mm/file/54075315012.pdfIn PDF document text
  • http://artediapharma.com/upload/files/bimopuwidosixuzenijilares.pdfIn PDF document text
  • http://dekobonner.de/userfiles/file/98835397151.pdfIn PDF document text
  • http://wienbildarchiv.com/upload_files/files/76165095417.pdfIn PDF document text
  • https://manage4.realtourvision.com/rtv/ckfinder/userfiles/images/files/35233921599.pdfIn PDF document text
  • http://xszhuhai.com/uploadfiles/files/birapeketewo.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/kisunibutobogenuzonaz.pdfIn PDF document text
  • http://maremio.ru/admin/ckfinder/userfiles/files/10995629863.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=vpn+master+premium+apk+downloadPDF 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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