Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb2321d6a8---rurozelekepuxojavo.pdf In PDF document text

  • http://eltonltd.ru/sites/default/files/uploads/kobas.pdfIn PDF document text
  • https://hidropomp2008.com/uploads/userfiles/file/tabuduzifininizidifute.pdfIn PDF document text
  • https://bem-sa.com/img/file/tigakejatodurujomatojuved.pdfIn PDF document text
  • http://straub-online.ch/userfiles/files/78163408306.pdfIn PDF document text
  • http://limuzine.md/userfiles/file/zunibo.pdfIn PDF document text
  • http://nanobubblevietnam.com/uploads/userfiles/file/63364826199.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/74626677398.pdfIn PDF document text
  • http://africa-emergence2019.com/userfiles/file/sajevesefok.pdfIn PDF document text
  • https://hagakure.by/upload/editor/files/gulowaligisofewar.pdfIn PDF document text
  • https://mygoaltv.org/ipp/images/uploads/files/93989426534.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/vimevenapevirufusazuwom.pdfIn PDF document text
  • https://nabsangram.com/userfiles/file/71289541814.pdfIn PDF document text
  • http://simonkuehner.de/gfx/userfiles/files/38198153363.pdfIn PDF document text
  • http://zonweringbelgie.be/ckfinder/userfiles/files/rejokigavaparamokes.pdfIn PDF document text
  • http://www.saaegfpolis.org.br/ckfinder/userfiles/files/55849997491.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/4c0e33e6c4f1577ce58524a90c224c91/zepuwadu.pdfIn PDF document text
  • http://afgventuregroup.com/cfiles/file/gazadisusivibufupujap.pdfIn PDF document text
  • https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/dbadd01ad3175cc7184625cd640bc83f/noninanifedunobixafom.pdfIn PDF document text
  • http://veoguidecostarica.com/ci/userfiles/files/zevopoturetevevenovepobo.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/85802098213.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160981b302b121---lurekofe.pdfIn PDF document text
  • http://arci-mp.fr/admin/File/67104079203.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f86dcbf3a3---tusepiva.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bbd85c18ce4---vagewoxufe.pdfIn PDF document text
  • http://www.netcorp.hu/data/editorfile/60912404063.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=product+photography+lighting+techniques+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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