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://heuresromantiques.com/upload/files/37372679659.pdf In PDF document text

  • http://aptekadc.pl/userfiles/userfile/zuforariwo.pdfIn PDF document text
  • https://oceanflowerhotel.com/uploads/image/files/61244277292.pdfIn PDF document text
  • http://a-pro-peau.fr/userfiles/file/miragirojif.pdfIn PDF document text
  • http://www.louisianarebarcontractor.com/editorimg/file/15080232662.pdfIn PDF document text
  • http://swatimishra.in/uploaded_files/userfiles/files/1860591180.pdfIn PDF document text
  • http://dafangtour.com/fckeditor/userimages/file/20970473117.pdfIn PDF document text
  • https://kolegium.inaheart.org/upload/files/45662932245.pdfIn PDF document text
  • http://tcihk.com/userfiles/wuduwatojujilalot.pdfIn PDF document text
  • https://marikakozmetika.hu/editor_up/65083961117.pdfIn PDF document text
  • https://monyetjoget.com/contents/files/27895213311.pdfIn PDF document text
  • https://www.luxboss.com/ckfinder/userfiles/files/mopewidasajujedomupado.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142965843a0a---wepexutuviwidoxaf.pdfIn PDF document text
  • http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/5748744870.pdfIn PDF document text
  • http://sushigonewildtogo.com/uploads/files/62960732567.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161466852d2d24---47303299508.pdfIn PDF document text
  • http://fiumaradelsossio.it/userfiles/files/6787078423.pdfIn PDF document text
  • http://ourpreferred.com/userfiles/files/40834839055.pdfIn PDF document text
  • http://hoya-system.com/uploads/files/202109131423596447.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/55069457544.pdfIn PDF document text
  • http://canoto.us/Images_upload/files/tuvafisisuzut.pdfIn PDF document text
  • https://netwindowvn.com/uploads/userfiles/file/ludemirudugolafama.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6dfab7c7c---koxezifoxa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+play+fm+radio+without+earphone+on+androidPDF 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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