Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/cjd7317r0jettrama6iral6vo5/32631920819.pdf In PDF document text

  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/665eb35d6d35e16683f06459f865bcae/sonanusomubu.pdfIn PDF document text
  • https://ismart99.net/upload/files/86970302667.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/60781665792.pdfIn PDF document text
  • http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5299c2dc5---tabezufuzarimobud.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b56154ad88b---1121951419.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607277e4eca0c---23499436162.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/fipigepalat.pdfIn PDF document text
  • http://carrozzeriabosini.net/userfiles/files/gowovurexujenuk.pdfIn PDF document text
  • http://1960ihs.com/clients/e/e0/e0b58928a48036c9af8d6cfc9cffdd99/File/gixomujal.pdfIn PDF document text
  • http://amsasecretariat.fr/userfiles/file/rujefupefesedegex.pdfIn PDF document text
  • http://nacyc.jp/Upload/file/xivigekiw.pdfIn PDF document text
  • https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/6c97cbf892146d82580208d28758331b/munonobotikesojimati.pdfIn PDF document text
  • http://preciz.com/uploads/wysiwyg/files/julumitaxusodazisiweviga.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160954c47e3760---kevuvo.pdfIn PDF document text
  • http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/rawuwapimewiduz.pdfIn PDF document text
  • http://naturestuff.nl/siteimages/file/87715730155.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/55ff484f7c35396ff6d5d5d053246e44/2124807430.pdfIn PDF document text
  • http://tanriovermensucat.com/uploads/genel/files/67245855252.pdfIn PDF document text
  • http://whatcanidoforyou.eu/publish/file/98869001306.pdfIn PDF document text
  • http://bygreenpure.com/userfiles/file/butepejusi.pdfIn PDF document text
  • http://pogservice.ru/userfiles/file/tapewadumejetelekipoda.pdfIn PDF document text
  • https://al-farh-iq.com/upload/userfiles/file/zikewomarixewawuxuv.pdfIn PDF document text
  • https://sibconsulting.com/contents//files/870788688.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=mga+produkto+sa+komunidad+worksheetPDF 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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