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://laborke.ru/uplcv?utm_term=ano+ang+life+expectancy PDF link annotation

  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615696f24502d---rajodesu.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161583eac5c193---vebavozemezobulivoga.pdfIn PDF document text
  • https://shreenatharcade.com/userfiles/file/fitolonuwojofatutonisaf.pdfIn PDF document text
  • http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/muwolamiguzi.pdfIn PDF document text
  • http://criollo-cocoa.com/userfiles/file/63355472920.pdfIn PDF document text
  • http://nagakuratrading.com/js/upload/files/740025736.pdfIn PDF document text
  • http://speckrepeg.by/UserFiles/files/wufezeritopati.pdfIn PDF document text
  • http://domki-kopalino.pl/pliki/78129315073.pdfIn PDF document text
  • https://aslplastic.com/ckfinder/userfiles/files/11235949835.pdfIn PDF document text
  • http://hoangminhphatkorea.com/webroot/img/files/fegerudi.pdfIn PDF document text
  • http://ttlh.vn/storage/ckfinder/files/lubifununukukutoloju.pdfIn PDF document text
  • https://villadorottya.hu/uploads/frontend/files/9271816264.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/rivaxawumetaxo.pdfIn PDF document text
  • https://sgicorp.com/userfiles/files/23088678464.pdfIn PDF document text
  • https://officialbacknumber.com/editor_up/81925023427.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/6de7938db3a3a7f05200bcfc3e641460/92539522193.pdfIn PDF document text
  • http://gabinetpro.gabinetpro.pl/kosmetyczka/krakow/files/dakupu.pdfIn PDF document text
  • http://toyotarent.kr/FileData/ckfinder/files/20210915_3A7DF48251DFB7C4.pdfIn PDF document text
  • http://jurabos.nl/include/editor/file/19541864381.pdfIn PDF document text
  • http://staceyasp.com/UserFiles/file/87472334608.pdfIn PDF document text
  • https://signos.larrialdiak.es/files/galeria/files/1509821471.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149dad85f9ce---bivaxip.pdfIn PDF document text
  • http://laclonghotel.vn/upload/files/nadoropirexapi.pdfIn PDF document text
  • http://longarmquiltingacadamy.com/fckeditor/userfiles/file/19340596570.pdfIn PDF document text
  • https://nhatngudongkinh.phapluatvietnam.com/upload/ckupload/files/fezeduguzolisivaguwemujef.pdfIn PDF document text
  • http://halanmilk.com/upload/files/6715333557.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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