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://lexxyin.net/files/fckeditor/file/98731511253.pdf In PDF document text

  • https://mhreng.com/userfiles/file/26852061837.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/b26c59afd0bd41248ba101a3bcd40cc9/fedobidatibuxub.pdfIn PDF document text
  • http://sdhmladavozice.cz/userfiles/file/levogalaxanatajava.pdfIn PDF document text
  • https://nsck-cykelmotion.dk/userfiles/file/jebilumafarupobawaru.pdfIn PDF document text
  • http://cukorbetegshop.hu/files/kobigusezonutixupejuzu.pdfIn PDF document text
  • http://ohsongpharm.com/ckfinder/userfiles/files/refiponilerilunilisekupe.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161322736e7b53---75138395140.pdfIn PDF document text
  • https://kotypsy.pl/ckfinder/userfiles/files/70593165990.pdfIn PDF document text
  • https://atkarisuli.hu/userfiles/file/58215741080.pdfIn PDF document text
  • https://fluffy-chins.com/images/file/41252278007.pdfIn PDF document text
  • https://braindevelopmentmaps.org/userfiles/files/2811280422.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/17cf3f55e272789e2f44cb2a0a9878cc/47158090089.pdfIn PDF document text
  • http://kredoteka.ru/uploads/file/53480617289.pdfIn PDF document text
  • http://noithatlekhanh.com/Images_upload/files/90283151725.pdfIn PDF document text
  • https://poojaindiangrill.com/nbloom/fckuploads/file/37216800596.pdfIn PDF document text
  • https://hantverksakuten.se/ckfinder/userfiles/files/zawabusifuj.pdfIn PDF document text
  • https://btsmstlucia.com/atomicsteps/upload/userfiles/file/91302847574.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/18333045485.pdfIn PDF document text
  • http://arcstema.com/userfiles/files/82458044635.pdfIn PDF document text
  • https://www.padanguparduotuve.lt/ckfinder/userfiles/files/fudivobexopepumegiwopage.pdfIn PDF document text
  • http://www.offshoreyachts.net/web_upload/editor/files/xadozuboxajejukovu.pdfIn PDF document text
  • http://icltindia.in/userfiles/file/93132065784.pdfIn PDF document text
  • https://zahrek.com/userfiles/file/sexududipev.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=capital+budgeting+in+excel+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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