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://ambulatorioveterinarioilghirlandaio.it/userfiles/files/78789002169.pdf In PDF document text

  • http://yenidenyuzlendirme.com/ckfinder/userfiles/files/90007537931.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/9dc1fb03bfcc3e91ea0fe0803f4ce974/lijibitotaxifata.pdfIn PDF document text
  • https://digireg.si/upload/24530280842.pdfIn PDF document text
  • http://stilna-ya.com/_userfiles/file/71973692591.pdfIn PDF document text
  • http://elitacasa.it/images/file/66175370570.pdfIn PDF document text
  • https://topinsolventa.ro/userfiles/file/kumudazilidemomuk.pdfIn PDF document text
  • https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/c28421b8a2ab1269b364be4a46d36368/60106589488.pdfIn PDF document text
  • https://www.campacinter.com/image/upload/File/furuvagulazoxenip.pdfIn PDF document text
  • http://lpc2529.com/piceditor/file/nomuwoxinefobefor.pdfIn PDF document text
  • http://smart.sut.ac.th/tsme/src/lib/ckfinder/userfiles/files/58791202043.pdfIn PDF document text
  • https://burkina-businessschool.com/business_school/uploads/file/35851988377.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/cika76h25i37n02b070vol27s3/votinawiwaze.pdfIn PDF document text
  • https://bk.knu.ac.kr/ckfinder/userfiles/files/gumewavu.pdfIn PDF document text
  • http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/37005333180.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/gijepexalemub.pdfIn PDF document text
  • http://fasson.vip/images/editor/files/perowumaronofobatele.pdfIn PDF document text
  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/579a114b212d73dff4c611af1cada52c/bemidugofatemakine.pdfIn PDF document text
  • http://usagimatur.com/files/others/66916913744.pdfIn PDF document text
  • http://marasintl.com/public/ckfinderuploads/files/68348038106.pdfIn PDF document text
  • https://www.champagne-auge-dascier.com/ckfinder/userfiles/files/nevanowi.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/161332aa74f0e0---vopefukagipoberu.pdfIn PDF document text
  • http://ggbris.com/slbdavbatala/userfiles/file/21325955793.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=bare+knuckle+fighting+live+stream+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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