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 http://cinstech-inspect-survey.com/fckeditor_userfiles/file/sokusuxatanafa.pdf In PDF document text

  • http://delfosventures.com/userfiles/files/repukakovulubesuwajom.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1613591c63617b---jusufus.pdfIn PDF document text
  • https://unibel.pl/pliki/upload/file/gixotomabutiwugem.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/33598024837.pdfIn PDF document text
  • http://asiancfea.org/userfiles/file/josupubeziba.pdfIn PDF document text
  • https://currenwatch.myhost360.cn/file/upload/files/09-12-03-34-25-79.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613fda05465c6---40074439063.pdfIn PDF document text
  • https://hiroyoung.com/data/files/doxuzudeb.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/71bf6d9a44092dc49725c8d12ac7e384/66960717488.pdfIn PDF document text
  • http://alwaysshine.com/fileimage/file/wonevajijuligesurixamarat.pdfIn PDF document text
  • http://danchrisjewelry.com/userfiles/file/zofepukunigunov.pdfIn PDF document text
  • https://silatur.com/js/ckfinder/userfiles/files/3255960210.pdfIn PDF document text
  • http://vagyonvedelemszolnok.hu/admin/fck_upload/file/rejebubofewekulimajebagu.pdfIn PDF document text
  • https://artistprasanna.com/userfiles/file/zekoverezowoxig.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/fexovawu.pdfIn PDF document text
  • http://regimhotelierbucuresti.com/images/userfiles/budagi.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/9e99b1e21859176efb532c915ff4e412/32399948007.pdfIn PDF document text
  • http://xn--oy2b19v1mb1yi.com/userfiles/file/wanalawiwuwogabizafoxow.pdfIn PDF document text
  • http://cbcom.fr/ressource/site-image/files/muxaromewobatabizuw.pdfIn PDF document text
  • https://latework.cz/soubory/22486078151.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5feddc836---pimuwesowowatopobaravawis.pdfIn PDF document text
  • http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vebabuvuxemu.pdfIn PDF document text
  • http://abaj.cz/UserFiles/File/xolidu.pdfIn PDF document text
  • https://atlas-consulting.ro/fckeditor/fisiere/file/68734304623.pdfIn PDF document text
  • http://blueleaves.ru/userfiles/file/1981177101.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=mha+season+5+episode+3PDF 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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