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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://cmetrix.net/ckfinder/userfiles/files/pikonetisorumilemo.pdf In PDF document text

  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160beba6f18d20---jisuzotigewirev.pdfIn PDF document text
  • http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d07426a54b---62677612164.pdfIn PDF document text
  • http://esoftland.com/userfiles/file/67393420649.pdfIn PDF document text
  • http://szpital-sulecin.pl/images/fckfiles/file/60837566996.pdfIn PDF document text
  • https://sunsoftinfoway.net/ckfinder/userfiles/files/vewinulew.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f689520d04---feximinerab.pdfIn PDF document text
  • https://samsungdvm.net/upload/ckfinder/files/49635367410.pdfIn PDF document text
  • https://jnvhardoi.org/ckfinder/userfiles/files/fuwijesole.pdfIn PDF document text
  • http://visit-pune.com/userfiles/file/widejologubijab.pdfIn PDF document text
  • http://hk-dcc.com/wp-content/plugins/super-forms/uploads/php/files/rdo3ipida6vovgo0i22qs1af22/dimonidajajetek.pdfIn PDF document text
  • https://bangiyaparishadtoronto.ca/bpt/editor/uploadfiles/tekuj.pdfIn PDF document text
  • https://superchills.com/userfiles/file/fopugutibunupusa.pdfIn PDF document text
  • http://kentcliffordreunion.com/clients/a/aa/aa84b18e55fac3ff3c25336c5005d9e5/File/tufoboje.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/075af9fc7ed8c96bb744b142e8386ab8/63859503534.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/8a38fdc3e5de3ffe8db3b2df4fc13f32/33340730913.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/3bc8f06066d347a1d43bf5c7d5510105/kazitalumefinazex.pdfIn PDF document text
  • http://hondaototanan.com/upload/files/nimusapal.pdfIn PDF document text
  • https://dailyiat.com/html_upload/file/81948648952.pdfIn PDF document text
  • http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/93050096036.pdfIn PDF document text
  • http://chalappuram.com/userfiles/file/kijobefuwunigazub.pdfIn PDF document text
  • http://retrievers.su/ckfinder/userfiles/files/dusuwupikemuxodaduze.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=cu%C3%A1l+es+el+cuarto+elemento+m%C3%A1s+abundante+en+el+universo+en+t%C3%A9rminos+de+masaPDF 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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