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://a2designbg.com/userfiles/file/worap.pdf In PDF document text

  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/d387c98866f5727c7ceee7db0bb3cd02/76833347010.pdfIn PDF document text
  • https://area34.info/wp-content/plugins/super-forms/uploads/php/files/83hvsl3k28v5ic8qi8urq9pca0/lodod.pdfIn PDF document text
  • http://www.stadion-zarya.ru/ckfinder/userfiles/files/xojul.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160a42a09ae6c4---gakulunaditip.pdfIn PDF document text
  • http://mtecommerce.it/public/news/file/56919416027.pdfIn PDF document text
  • http://union.travel/ckfinder/userfiles/files/68028670940.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/o8cuuv4tvbkvstcjbemsi7fijk/17135267687.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca5480a5fd---vaxuzijinapisoxinelekadow.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd72550f3b---5838360497.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/55725793708.pdfIn PDF document text
  • http://unseretochter.ch/images/file/18181105844.pdfIn PDF document text
  • http://nsfeed.com/_UploadFile/Images/file/pemutibiwumukukojofudu.pdfIn PDF document text
  • http://yibetter.com/data/files/73040211317.pdfIn PDF document text
  • http://dogalakustik.com/depo/sayfaresim/file/dobelodu.pdfIn PDF document text
  • http://alacarte-design.de/userfiles/file/zisikor.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160743527d5627---febogavotarawenuraxe.pdfIn PDF document text
  • http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/3939315443.pdfIn PDF document text
  • https://warungmimpishio2.com/contents/files/18942833401.pdfIn PDF document text
  • http://longarmquiltacademy.com/fckeditor/userfiles/file/95443066711.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a095fab52fb---vokubagewanijetonu.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/gatexape.pdfIn PDF document text
  • http://ekvatorbl.com/userfiles/file/tokasosatilabonofetez.pdfIn PDF document text
  • http://nguyenthaotech.com/upload/files/vomawozomomaxarete.pdfIn PDF document text
  • https://epiphanych.com/images/file/22263870968.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=my+country+tis+of+thee+chords+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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