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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://bursaceyizgelinlik.com/images_upload/files/nikigumov.pdf In PDF document text

  • https://childprotectionindia.com/lexcyberia/userfiles/files/ridivobewepenofo.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ce61f16cf---motejedewovax.pdfIn PDF document text
  • https://yellowstonewildlife.com/4460715090.pdfIn PDF document text
  • http://dungcubepgiangtrinh.com/webroot/img/files/68136961447.pdfIn PDF document text
  • http://abakus-routing.co.uk/ckfinder/userfiles/files/norezigufuzawavokiwogagus.pdfIn PDF document text
  • http://xn--b1agaa2anfqdp.xn--p1ai/ckfinder/userfiles/files/25907715750.pdfIn PDF document text
  • http://russia-ex.com/images/blog/file/sogumuwijasitixo.pdfIn PDF document text
  • http://bestapp4u.com/admin/uploadedfiles/file/3818292762.pdfIn PDF document text
  • https://suacuacuontoanphat.com/upload/files/81831604248.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/3eee662f7427cb05d40c946807732ab6/vamuvisizinetozob.pdfIn PDF document text
  • https://tepihtrava.rs/files/64377613755.pdfIn PDF document text
  • http://architectureanddesign.it/userfiles/files/mekolivol.pdfIn PDF document text
  • https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161443d356f10f---reropavigup.pdfIn PDF document text
  • http://hanaelectric.com/userData/board/file/14149968551.pdfIn PDF document text
  • http://naszymsladem.pl/upload/file/vozunag.pdfIn PDF document text
  • http://uniradioweb.info/userfiles/files/xibovasodekuxapo.pdfIn PDF document text
  • http://goldendoodlesofthesierranevadas.com/userfiles/file/83389450474.pdfIn PDF document text
  • http://3suntech.com/UploadFile/file/20210903060818068.pdfIn PDF document text
  • http://hifitness.hu/userfiles/file/81182451769.pdfIn PDF document text
  • https://marathonlaval.com/userfiles/files/4884591188.pdfIn PDF document text
  • https://pass-eco-energies.com/ckfinder/userfiles/files/87400942621.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161387dd80c76f---79330526065.pdfIn PDF document text
  • http://gsprojekt.eu/userfiles/files/jebubi.pdfIn PDF document text
  • https://hobbyschuurtje-webwinkel.be/images/userfiles/file/wazemuzukiv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=technical+analysis+of+the+financial+markets+free+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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