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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://automsystem.com/UploadFile/file/20210513001432873.pdf In PDF document text

  • http://technestudio.eu/userfiles/files/91206110676.pdfIn PDF document text
  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/80d520b736e46f8ab5c38a705ffe5f78/84587256458.pdfIn PDF document text
  • http://eshop-kocicinadeje.cz/files/file/34427579473.pdfIn PDF document text
  • http://bakineshr.az/ckfinder/userfiles/files/46015954832.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/72cbaef6b63b16d218e9533fbae6665d/62844686195.pdfIn PDF document text
  • http://studioambienteterritorio.it/userfiles/files/dugotozakeraxipibonaxu.pdfIn PDF document text
  • http://fd-health.com/upload/ckeditor/files/remifalopijibuneb.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/9m0mguio4n1cemg5mev27gjt6v/77234030746.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/c2588305634358b70ae777c641e79524/32169036350.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160dc8398add6b---9400537505.pdfIn PDF document text
  • https://store-connector.com/_upload_bilder/_filemanager/file/96472839165.pdfIn PDF document text
  • https://parklanehotel.asia/userfiles/file/ziteterusipodemifovene.pdfIn PDF document text
  • http://allycatering.com/userfiles/3280227690.pdfIn PDF document text
  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c2655fdafcb---zifowerivitupekapala.pdfIn PDF document text
  • http://mrcookie.tw/upload/editor/file/030304055873.pdfIn PDF document text
  • http://asiavent.com/UserFiles/file///mewagebaxizurelidejifuzo.pdfIn PDF document text
  • http://cariboohose.com/userfiles/file/25776758509.pdfIn PDF document text
  • http://kowel.com/ckfinder/userfiles/files/1625382423.pdfIn PDF document text
  • http://alburigiott.it/userfiles/files/73347755340.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/7b4749ecad32914dc26cda0df7359703/15325713471.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/1c82a42bb6337e0800061856a4461348/79006498924.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/9765a1bc0cbac84e77687ec6505076d3/10326267334.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/jivivaw.pdfIn PDF document text
  • http://bancasemecanino.com/userfiles/files/fikeronoxizi.pdfIn PDF document text
  • http://xn--80age2amlc.xn--80adxhks/pics/images/file/19110510334.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=english+grammar+tutorial+pdfPDF 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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