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://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/3c183dd637010126d371d0b7535b3829/51306025048.pdf In PDF document text

  • https://nikolsbeauty.com/webroot/f/uploads/file/xexopexego.pdfIn PDF document text
  • https://pratham.one/file/59321484601.pdfIn PDF document text
  • https://globalathena.com/ckfinder/userfiles/files/52215738455.pdfIn PDF document text
  • https://barrierball.cl/ckfinder/userfiles/files/getitivifed.pdfIn PDF document text
  • http://jljemc.com/upload/files/90735250578.pdfIn PDF document text
  • http://ucokampen.com/media/files/86283068883.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141cc090245e---gemobepaduw.pdfIn PDF document text
  • http://gojjang.com/uploads/files/xutekete.pdfIn PDF document text
  • https://stthomasorthodoxchurchsouthpampady.com/userfiles/file/13042968637.pdfIn PDF document text
  • https://clinicamanila.com/ckfinder/userfiles/files/33165661836.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16131688624573---24786310238.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133757960e84---58166681137.pdfIn PDF document text
  • http://playeasypiano.com/resources/fck_images/kipigivejixutewusorar.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/eqnbpsqq5mrr9v34pg4nju3e9u/60929105317.pdfIn PDF document text
  • http://xn----itbbfrdrdbd4bgy6gi.xn--p1ai/webroot/files/files/98594207965.pdfIn PDF document text
  • https://tasivn.com/upload/ck/files/taxetidav.pdfIn PDF document text
  • https://harmony.im/userfiles/file/13620698531.pdfIn PDF document text
  • http://babijie.com/upload_fck/file/2021-9-14/20210914054259486031.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161306638f0a54---50119588390.pdfIn PDF document text
  • http://ieltsadd.ir/cache/fck_files/file/nifobotixuraxede.pdfIn PDF document text
  • http://poongdung.com/FileData/ckfinder/files/20210901_89623FD1C55CD0AE.pdfIn PDF document text
  • https://eurouniversal.eu/ckfinder/userfiles/files/36173045158.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=delphi+for+android+free+downloadPDF 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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