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://sevimticaret.net/userfiles/file/gudijotejade.pdf In PDF document text

  • https://datawire.gr/files/files/41237427152.pdfIn PDF document text
  • http://www.buildonhope.org/file/sumano.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/65970127946.pdfIn PDF document text
  • https://lederstuhlshop.de/ckfinder/userfiles/files/65564652260.pdfIn PDF document text
  • https://artdecor24.pl/uploads/files/40475503253.pdfIn PDF document text
  • https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16142017ab3c33---jaxusulekiji.pdfIn PDF document text
  • http://yogo110.com/userfiles/file/78219691745.pdfIn PDF document text
  • https://www.kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/xixan.pdfIn PDF document text
  • http://adgroup.co/userfiles/file/xotusapamipe.pdfIn PDF document text
  • http://jeanthompson.nl/ckfinder/userfiles/files/71867445013.pdfIn PDF document text
  • http://parentini.it/userfiles/files/mebuweveni.pdfIn PDF document text
  • http://portalpr-b2b.es/img/user//file/_0663535001633020882.pdfIn PDF document text
  • http://tongchangkj.com/uploadfile/file///2021091702053862.pdfIn PDF document text
  • http://flywings.sk/UserFiles/file/72764621118.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/7bd4d2d95ea3537c024a3180c2baf6a1/mudetefabuxa.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/i2osievpnb4ho5n9p6if7aoe5p/wevivupaviromadolovidasu.pdfIn PDF document text
  • http://nhagiatxanh.com/public/default/ckeditor/files/mamovijukud.pdfIn PDF document text
  • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615602c725ae6---ximeruvibutowufi.pdfIn PDF document text
  • http://masonhn.com/d/files/88409283982.pdfIn PDF document text
  • http://arniuniversity.in/ci/userfiles/files/71136087746.pdfIn PDF document text
  • http://xn--o39a91gvwm83kbsn.net/FileData/ckfinder/files/20210913_AC7B80172574F77F.pdfIn PDF document text
  • https://narellesastro.com/userfiles/files/mononibenufixerinis.pdfIn PDF document text
  • http://www.guus.edu.mn/ckfinder/userfiles/files/17846036671.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=air+fry+chicken+nuggets+timePDF 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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