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 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 https://inwebjor.ru/uplcv?utm_term=shopping+center+classifications PDF link annotation

  • https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/37004c112057a3b59b8821eed3062329/pafofodimopep.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/790cb6534e4ebb0111aa170dcf16a7e4/fufubaros.pdfIn PDF document text
  • http://100gastro.cz/soubory/files/madubenopes.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/9vc0bjoqrd1l1gppf1ihvb9jf9/84324400832.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16075b41c03ae1---guxeged.pdfIn PDF document text
  • https://viboot.com/ckfinder/userfiles/files/61291501547.pdfIn PDF document text
  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/4k587estoru7blqs1q3150urtc/gosufitivalodimebukibiv.pdfIn PDF document text
  • https://qqhanoman.com/contents//files/33525124633.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/pezutuzepor.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/rhdi8o8mts455nmi116o74me35/95631331959.pdfIn PDF document text
  • http://occahomesearch.com/userfiles/files/rexinufixejijokanabol.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160ecb26455dc7---15706829249.pdfIn PDF document text
  • http://etcad.net/np/upfile/file/mulogoje.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/d2cf089988548cada4e5e5ae6c8eb733/penadev.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f02e979fc9---71546500262.pdfIn PDF document text
  • http://mitsubishilongbien.vn/images/ckeditor/files/74475495523.pdfIn PDF document text
  • http://cancunday.com/travela/img/files/piruxomu.pdfIn PDF document text
  • https://aaaxxion.info/images/file/poregonovonirumofaza.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/16121700d61703---95354412888.pdfIn PDF document text
  • http://intertravel.hu/_user/file/tipevafevixejube.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/40j2korgi0mipru7ueinqvqkgc/59329292580.pdfIn PDF document text
  • http://spl-designs.com/ckfinder/userfiles/files/lefulafaj.pdfIn PDF document text
  • http://willettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sodul.pdfIn PDF document text
  • http://www.predia.cz/userfiles/file/mavupejoguwanaxabapig.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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