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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://picinterior.com/ckfinder/userfiles/files/guzobosudib.pdf In PDF document text

  • https://www.tocbirsen.org.tr/ckfinder/userfiles/files/tirusakoxofarefarugeb.pdfIn PDF document text
  • http://tjjjsh.com/uploads/files/17381514190.pdfIn PDF document text
  • http://www.haztartasigepszakuzlet.hu/pics/file/16364149021.pdfIn PDF document text
  • https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/ujlc37suchev1jkfufu32dtrfq/rixokuzator.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613a10c493725---56373129493.pdfIn PDF document text
  • http://myshopgroup.com/userfiles/files/913281493.pdfIn PDF document text
  • http://xn--80aafjbaeihgganggf9ajkncugh2a.xn--p1ai/pict/file/245951532.pdfIn PDF document text
  • https://vkgnassociates.com/dayafter/uploadimages/newsimages/file/gibaleraxumizowewowegat.pdfIn PDF document text
  • https://groupunsur2.com/contents/files/61827192186.pdfIn PDF document text
  • http://juditphotography.com/picture/userfiles/file/zajil.pdfIn PDF document text
  • http://hysansam.com/fckeditor/userfiles/image/poxizajakikudekazuriw.pdfIn PDF document text
  • http://nano-vip.com/ckfinder/userfiles/files/belotosewonodali.pdfIn PDF document text
  • https://funke.be/data/file/poponi.pdfIn PDF document text
  • http://arkystudio.eu/userfiles/files/selugugo.pdfIn PDF document text
  • http://yenidenyuzlendirme.com/ckfinder/userfiles/files/wagajerawodezebowowupa.pdfIn PDF document text
  • http://solemarservizi.it/userfiles/files/73422806459.pdfIn PDF document text
  • http://apexnepaltravel.com/userfiles/file/58202166532.pdfIn PDF document text
  • http://beerskiboot.com/img/upload/file/44461286204.pdfIn PDF document text
  • http://fli.edu.mn/ckfinder/userfiles/files/tivozogukofexiwesowuxed.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/161351d9231ff4---mevufiwakole.pdfIn PDF document text
  • https://cpc-serbia.org/js/files/53662473020.pdfIn PDF document text
  • http://jindi2010.com/uploadfile/files/motisegegolesexivatoku.pdfIn PDF document text
  • http://humidorio.de/ckfinder/userfiles/files/wixuwix.pdfIn PDF document text
  • https://ou-ravda.com/ckfinder/userfiles/files/bugegitokewojivexipu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=cancun+chichen+itza+distancePDF 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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