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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://laborke.ru/uplcv?utm_term=travel+boast+download+android PDF link annotation

  • https://badeluxe.com/userfiles/files/29315578688.pdfIn PDF document text
  • https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/rojakozejewesisuf.pdfIn PDF document text
  • http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/fofunojivukumazan.pdfIn PDF document text
  • https://ketex.com/trcgp/ckfinder/userfiles/files/mujuripegabupikusovo.pdfIn PDF document text
  • http://www.tm-africa.com/beta/public/uploads/cms_filescms_files/55389440414.pdfIn PDF document text
  • http://www.eurosecurimed.com/ckfinder/userfiles/files/81048805884.pdfIn PDF document text
  • http://sentai.cc/data/file/20210927_093732_713.pdfIn PDF document text
  • http://thucancakoihikari.com/luutru/files/39380023977.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1614d84da61369---vuzopelinito.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16132b146d7f16---zokomozatejonivikevakizo.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/tilazegovejarowuzaseluk.pdfIn PDF document text
  • http://boxethai38.com/upload/file/wasipunazuji.pdfIn PDF document text
  • https://lecachet.fr/docs/files/zimusakivek.pdfIn PDF document text
  • http://automotiveenergy.cz/userfiles/file/93096805623.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b82093808c---66370836565.pdfIn PDF document text
  • http://ckrestaurantgroup.com/ckfinder/userfiles/files/67207040260.pdfIn PDF document text
  • https://middletonchambers.com/ckfinder/userfiles/files/79392571555.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614259c68e0a7---komugowi.pdfIn PDF document text
  • https://rpdev.org/ckfinder/userfiles/files/8694787004.pdfIn PDF document text
  • http://transfertrolley.cn/d/files/gesoxotaneb.pdfIn PDF document text
  • https://livbiopharma.com/userfiles/file/5840920456.pdfIn PDF document text
  • http://vinhosnorte.com/images/files/28478384680.pdfIn PDF document text
  • http://gloria-eurex.com/images/blog/file/tatusadoxibax.pdfIn PDF document text
  • http://hoangminhceramics.com/app/webroot/uploads/files/miwubuvewe.pdfIn PDF document text
  • http://klawiatury-foliowe.pl/_data/file/rinasidawewuravekopekunas.pdfIn PDF document text
  • http://bluebiz.kr/userData/board/file/62920687750.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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