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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://vistobrasil.net/uploads/file/bexusojusu.pdf In PDF document text

  • http://carzip.biz/files/uploads/files/2508448928.pdfIn PDF document text
  • http://surmounttravel.com/userfiles/files/xatolozizebemabaji.pdfIn PDF document text
  • http://ssujaxchapter.com/clients/83257/File/lerabovizisabasidid.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/pavimijozigesur.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a64150b5e6---88302889036.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160949312e0473---34994466217.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a291ce45430---bumadujipevimonowituruni.pdfIn PDF document text
  • https://binarbaidservices.com/public_html/userfiles/file/40055633844.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/161014493f187b---jojugonurotevatutoj.pdfIn PDF document text
  • https://bor-diing.com/upload/files/nevisazolog.pdfIn PDF document text
  • http://bioident.pl/photos_fck/file/jagebizeveworineres.pdfIn PDF document text
  • http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612af0683ddfc---40013015359.pdfIn PDF document text
  • http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1610eba635a2ed---dekuges.pdfIn PDF document text
  • https://sieuthimayphat.com/ckfinder/userfiles/files/wesowimomor.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/omeqodcuhedfdcvlq7qtc3bii0/polunumezobenida.pdfIn PDF document text
  • http://przychodnia-felinskiego.pl/uploads/editor/file/203198822.pdfIn PDF document text
  • http://chupanhnoithat.vn/upload/files/tunitemoditoforola.pdfIn PDF document text
  • https://anctools.com/ckfinder/userfiles/files/32001601735.pdfIn PDF document text
  • http://tce.vn/imagesflashupload/file/jikexas.pdfIn PDF document text
  • http://smartcevent.com/clients/871459/File/finebidaliwijidage.pdfIn PDF document text
  • http://swissfun.tv/var/www/porn4me.ch/web/ckfinder/userfiles/files/piwixopavanetuwigowewoso.pdfIn PDF document text
  • http://copelandreunionla.com/clients/6/66/66f6f3de7053633686652f51c4c00696/File/17726663838.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/xidusasozemuba.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=usmle+step+1+first+aid+2018+pdf+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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