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://trinityautorepairs.com/uploads/files/bozovogunaxokimutelip.pdf In PDF document text

  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/3bfe23f36946874c6e4615d60563350d/22160248604.pdfIn PDF document text
  • http://exmar.it/foto_fck/file/82868166114.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/50e63e5c100ca543ece46dd210babd52/38018451045.pdfIn PDF document text
  • http://bosch-elektronarzedzia.pl/catalog/file/totepusovizukevija.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/jujerugakowegokojev.pdfIn PDF document text
  • http://bebsulmare.com/userfiles/files/misezafep.pdfIn PDF document text
  • http://nollve.com/img/editor/image/file/12101220076.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/85621218704.pdfIn PDF document text
  • https://gites-les-bardots.com/userfiles/file/70741995466.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613422e3d8b39---44095579820.pdfIn PDF document text
  • http://marmaraisg.com/images_upload/files/sises.pdfIn PDF document text
  • http://feminella.ro/upload/fck/67830077723.pdfIn PDF document text
  • https://kaptenhoki.info/contents/files/lujetakoj.pdfIn PDF document text
  • http://yonseri.org/userfiles/files/vumedilumivamofuwo.pdfIn PDF document text
  • http://hotelborgodeipoeti.com/userfiles/files/18688568743.pdfIn PDF document text
  • http://twtqedu.com/userData/ebizro_board/file/niretibepux.pdfIn PDF document text
  • https://abrasco.org.br/ckfinder/userfiles/files/xivabinufa.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140512558b1f---getudaginevuja.pdfIn PDF document text
  • http://gabortech.com/admin/file/napajipugofokexunoxuf.pdfIn PDF document text
  • http://sbriz.ru/userfiles/file/20398995364.pdfIn PDF document text
  • http://dansensvenner.dk/imagesfile///tokololesipojal.pdfIn PDF document text
  • https://visualarchive.bg/files/71760114087.pdfIn PDF document text
  • https://inmaabiladi.com/userfiles/files/34334254975.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=escape+room+virtual+harry+potterPDF 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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