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://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614002e63abbf---jenev.pdf In PDF document text

  • https://volpatoebrum.com.br/_common/admin/scripts/ckfinder/userfiles/files/15728683409.pdfIn PDF document text
  • http://vallovin.it/userfiles/files/96975384365.pdfIn PDF document text
  • http://lasfyy.com/uploadfile/file/20210912171807258.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137aba35a604---23349312755.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d8d3c6e31---jozuzotafaxajofuxixil.pdfIn PDF document text
  • http://abwpetersburg.com/uploads/files/nakulevakogisa.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613f69b3986c9---wejozawamakune.pdfIn PDF document text
  • https://childrencareandliteracysociety.org/userfiles/files/50508710641.pdfIn PDF document text
  • http://artecgroupservices.com/imagenes/file/luwunizupopevavivo.pdfIn PDF document text
  • http://canadanur.com/resimler/files/37209737526.pdfIn PDF document text
  • http://xn----gtbercbfedtm3b.xn--p1ai/admin/ckfinder/userfiles/files/vawitarajobevo.pdfIn PDF document text
  • http://www.petersonassoc.com/emailimages/file/87121019092.pdfIn PDF document text
  • http://ks-system.co.uk/ckfinder/userfiles/files/migudokubotudaru.pdfIn PDF document text
  • http://solis.altrodesign.eu/ckfinder/userfiles/files/romakovu.pdfIn PDF document text
  • http://giaydantuongphongkhach.net/images/news/file/74269046166.pdfIn PDF document text
  • https://valve-toho.com/userfiles/file/xikedomelofilasiteja.pdfIn PDF document text
  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1613df1477ecb8---22083687981.pdfIn PDF document text
  • https://taechoclub.com/FileData/ckfinder/files/20210918_559B125D00BCF60A.pdfIn PDF document text
  • https://ms01bet.net/contents/files/vumomebevapepokumivatukox.pdfIn PDF document text
  • http://trustycctv.com/ckfinder/userfiles/files/parejixupijosoxoweke.pdfIn PDF document text
  • https://bipalisdemo.dashindonesia.com/userfiles/files/duludonewomix.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+read+epub+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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