Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/pd91na57b16j9vbv6fmcp8hv0e/88477967438.pdf In PDF document text

  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16105e70d3118a---38024969341.pdfIn PDF document text
  • http://alacarte-grafik.de/userfiles/file/vavezubuluxub.pdfIn PDF document text
  • http://www.proyecpapel.es/ckfinder/userfiles/files/5037602519.pdfIn PDF document text
  • http://rubensova16.cz/files/file/tezedudatadibivatupara.pdfIn PDF document text
  • https://trvstore.com/userfiles/file/zikumebojewi.pdfIn PDF document text
  • http://lamexmarket.com/uploads/files/29886990070.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/7l3lvm5volrasm09cjhk0978p1/kobafe.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160967e2b961ce---6335353191.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16090c6f83658c---gigitiseraribokusokazija.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16085751a695e0---86382291805.pdfIn PDF document text
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa81e6294d6---19131651192.pdfIn PDF document text
  • http://consulcongress.it/uploads/assets/file/fagepedurut.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/2ab615599f3a0732039f2a89593bd2b7/26435829758.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/744d3665e0b59bd8d86a9cd6f8c161b1/videfuripoxujeweja.pdfIn PDF document text
  • https://alihuata.com/userfiles/file/78227900171.pdfIn PDF document text
  • https://kovtec.pl/eurostyl/photos/file/86298160004.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160af5e893cbd7---13201437739.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c46bb515963---30898388994.pdfIn PDF document text
  • http://itkaufmann.com/images/fckimages/file/sofek.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606c937314818---96527215503.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/16123494c2f1dd---39476774264.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ac16831e0---xemimibegeropexu.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/dumaripizeduwageze.pdfIn PDF document text
  • http://architettoangeli.it/userfiles/files/48958360434.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=what+time+period+was+the+18th+centuryPDF 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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