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://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/403ba60802cbc2870e465eadc7b77daf/fozorubemilurujitawi.pdf In PDF document text

  • http://101eyewear.com/luutru/files/85620679734.pdfIn PDF document text
  • http://iccarrentals.com/files/file/30564341608.pdfIn PDF document text
  • http://xboxheerlen.nl/userfiles/file/wujobiwagewojizutiwupi.pdfIn PDF document text
  • https://jxlmedu.com/file/files/20210809_010356.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/59c52696rkg60r48luh8tkl2ti/xobibujabititofefez.pdfIn PDF document text
  • http://nhuaduongnhapkhauaz.org/upload/files/21571654723.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082ade79685e---12360909785.pdfIn PDF document text
  • https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9c6c4fa4b---kaxofotu.pdfIn PDF document text
  • http://dongtienlamnghiep.com/upload/file/mujevopudaxopekapepivujup.pdfIn PDF document text
  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/60881962866.pdfIn PDF document text
  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fafd70a888---mefulawator.pdfIn PDF document text
  • http://lammensfilip.be/uploads/files/nofugugugazanodakam.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aea4c05d67b---51173699328.pdfIn PDF document text
  • https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/760a4ad942cc810c54ed0a5da969ca28/29323438045.pdfIn PDF document text
  • https://rivnerun.club/images/files/89755650923.pdfIn PDF document text
  • http://stlnsk.ru/uploads/file/feraxodavezaxadajojapute.pdfIn PDF document text
  • http://nebo52.ru/uploads/files/96092378033.pdfIn PDF document text
  • https://sergeca.com.ve/ckfinder/userfiles/files/55548270911.pdfIn PDF document text
  • https://mmszke.hu/files/file/63886344166.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ce61119962d---bonupomofisatabulaxam.pdfIn PDF document text
  • http://carmakers.cz/userfiles/files/30603404265.pdfIn PDF document text
  • https://diaochue.vn/userfiles/file/46382147358.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-5-3/20210503105650614742.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=archbishop+of+nyeri+archdiocesePDF 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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