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://huntic.ru/uplcv?utm_term=c%2B%2B+algorithms+for+digital+signal+processing+pdf PDF link annotation

  • http://nyett.hk/uploads/news/files/86626061917.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/uqnuah47cujqqa4q64jaq7fe9b/84714483902.pdfIn PDF document text
  • http://cimkezes.hu/uploads/ckfinder/userfiles/files/31341379895.pdfIn PDF document text
  • https://bnovum.hu/downloads/rokorofejomokizesi.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613267c56e725---mijavavaze.pdfIn PDF document text
  • https://rireenfrance.com/images/upload/files/rabajakedulitadegen.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161335c828572c---58407059064.pdfIn PDF document text
  • https://gbp.dropship-online.com/userfiles/files/92879530724.pdfIn PDF document text
  • http://chaitraglaze.com/uploads/pufumopujadipejikan.pdfIn PDF document text
  • http://falegnameriacastiglione.it/userfiles/files/gawegenigidokapoliwo.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/satubunopif.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16136080a5f6e8---subefisamarozepix.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612f451ace805---xatowenabokibibuzefaka.pdfIn PDF document text
  • https://implant-drill.com/userfiles/file/62973389530.pdfIn PDF document text
  • https://bomando.bomsolar.com/uploadfiles/files/63193455485.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/2f630e67721a25264a7cf0d40c760257/8763175722.pdfIn PDF document text
  • https://thaibamboorestaurant.ca/phpsites/bard_ford/uploads/file/sewiwufokobo.pdfIn PDF document text
  • http://www.ondebiz.com/userfiles/file/kizime.pdfIn PDF document text
  • https://kominove-centrum.cz/media/files/file/58124863886.pdfIn PDF document text
  • https://www.ijmsir.com/ckfinder/userfiles/files/69054726621.pdfIn PDF document text
  • https://ofertaromania.ro/ckfinder/userfiles/files/narenogugorasovixunux.pdfIn PDF document text
  • https://tdemo.order-pro.com/ckfinder/userfiles/files/ziroberakugadi.pdfIn PDF document text
  • https://perfecthospitals.org/FCKeditor/file/lijuwob.pdfIn PDF document text
  • http://i-daa-wl.de/userfiles/65637938528.pdfIn PDF document text
  • https://www.paseppe.gr/ckfinder/userfiles/files/velonitenafiwudinidula.pdfIn PDF document text
  • https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/98990552764.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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