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://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/d685630937b31e4020c41cc496f4aa63/vinexi.pdf In PDF document text

  • http://autowagon.it/userfiles/files/80767190290.pdfIn PDF document text
  • http://akbarestate.com/survey/userfiles/files/24036859484.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/rigukog.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/161320b27ca015---85126994142.pdfIn PDF document text
  • http://lunaleo.pl/userfiles/file/49383559439.pdfIn PDF document text
  • http://instant-image.net/UserFiles/Site/File/vurokise.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/hf2t0km6g31dgcrf0cfm08m8dc/4928700739.pdfIn PDF document text
  • https://rajakedua.com/contents/files/2076161571.pdfIn PDF document text
  • http://christmaslandint.com/userfiles/kapadunorixatofumi.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f5792acec---77701776623.pdfIn PDF document text
  • http://www.sandipmallick.com/fckimages/file/8474511334.pdfIn PDF document text
  • https://rivieresoceanie.com/ckfinder/userfiles/files/47438731079.pdfIn PDF document text
  • http://4els.ru/uploads/images/files/rusolufitujuzuk.pdfIn PDF document text
  • https://27061010.com/uploads/files/202109131030398021.pdfIn PDF document text
  • http://topnotchimports.com/ckfinder/userfiles/files/23115727517.pdfIn PDF document text
  • http://brenderup.ro/mm/file/12197774484.pdfIn PDF document text
  • https://praktijk.zorglink.nl/ckfinder/userfiles/files/33787192441.pdfIn PDF document text
  • http://jobsandhi.com/uploaded_files/userfiles/files/pujixenobimado.pdfIn PDF document text
  • http://bellamy.tw/uploads/files/202109082054121490.pdfIn PDF document text
  • http://slovbau.sk/test/userfiles/file/87684629317.pdfIn PDF document text
  • http://marsalanoleggio.it/userfiles/files/fepibak.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=s10+screen+sensitivityPDF 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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