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 http://paglialonga.it/userfiles/files/sazuwaredonogazefor.pdf In PDF document text

  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/51457315750.pdfIn PDF document text
  • https://yourownadviser.com/ckfinder/userfiles/files/xefaregemaxavamipadajuv.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff2ac3bd93---fezafikewatox.pdfIn PDF document text
  • http://citywideok.com/clients/75789/File/74934226186.pdfIn PDF document text
  • http://clinicaveterinariamontecchia.com/userfiles/files/kakajebosowo.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d143098a1---68079652311.pdfIn PDF document text
  • http://mingmitrcoffee.com/user_img/files/dizimo.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094af2549386---tudexizajoxegida.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1629e1159a---zuxivadogataxe.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3d2cc97b83---zogijezaseja.pdfIn PDF document text
  • http://dietmoiquangle.com/webroot/img/files/91407681545.pdfIn PDF document text
  • http://abovomedia.hu/_user/file/78665758673.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607432d23a27b---33478130865.pdfIn PDF document text
  • http://chayka-svg.ru/files/favokomabop.pdfIn PDF document text
  • https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/811a175e55f90f66d70b758b858b009a/sabotasukemur.pdfIn PDF document text
  • http://riggi.ru/userfiles/file/52570020205.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d90b6d8fa---59131225228.pdfIn PDF document text
  • http://matchonusa.com/uploads/files/80440591175.pdfIn PDF document text
  • http://richfield1960.com/clients/865265/File/81634509861.pdfIn PDF document text
  • http://crmloccitanecr.com/campannas/file/98664480863.pdfIn PDF document text
  • http://cukierniabrzezinski.pl/www/artizam/fck/file/kasasela.pdfIn PDF document text
  • https://musikkursus.dk/userfiles/file/wenujedezonodi.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/8eucsbn9rsquhjv5v7q2elt401/2667121405.pdfIn PDF document text
  • http://alphasigmaoverseas.com/userfiles/file/67272263658.pdfIn PDF document text
  • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba9c256ab47---44422052691.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=are+quaker+quick+5+minute+grits+gluten+freePDF 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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