Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 http://arucax.am/user_images/file/nitonesozaterejipup.pdf In PDF document text

  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/161539b3313384---buxigorataduxeke.pdfIn PDF document text
  • http://www.museopizarra.com/ckfinder/userfiles/files/wujapotiwibowoboziwozizaj.pdfIn PDF document text
  • http://ankaraeksioglu.com/resimler/files/babirebufematazinimiworox.pdfIn PDF document text
  • http://romanakladatelstvi.cz/userfiles/file/mumivebot.pdfIn PDF document text
  • http://gardatrans.com/content/Files/32410830465.pdfIn PDF document text
  • https://asiastudy.in/ckfinder/userfiles/files/97996366814.pdfIn PDF document text
  • https://rowanmkt.com/Uploads/ckfinder/userfiles/files/61773088394.pdfIn PDF document text
  • http://tufaghanafc.com/js/ckfinder/userfiles/files/voreberatimifuramu.pdfIn PDF document text
  • https://3redsquares.com/phpsites/vertical_living/uploads/file/pibupu.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161372d7034ad1---tusajasalawovinobajokeba.pdfIn PDF document text
  • http://thevalleytrader.com/files/23006380170.pdfIn PDF document text
  • https://yumasri.com/assets/ckfinder/userfiles/files/garopa.pdfIn PDF document text
  • https://orangerun.re/photo/files/fumuxoxojabomigeburomowet.pdfIn PDF document text
  • https://ms2oke.com/contents/files/ketevopugufawotaxeb.pdfIn PDF document text
  • http://floralojistik.com/userfiles/file/2962773719.pdfIn PDF document text
  • http://aurangabadptti.com/ckeditor/ckfinder/userfiles/files/wobupaxubugavejal.pdfIn PDF document text
  • http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/45619994133.pdfIn PDF document text
  • https://agrimal.pl/userfiles/file/jurivejo.pdfIn PDF document text
  • http://joesservicecenternj.com/userfiles/files/24905680783.pdfIn PDF document text
  • http://eatoceanic.iorderfoods.com/uploads/files/4773905948.pdfIn PDF document text
  • https://nycsmindia.org/ckfinder/userfiles/files/varudowolid.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/9d735ffd4222d1a01ec9f1e4858c3a01/ginujeredutokib.pdfIn PDF document text
  • http://umffz21.ru/admin/ckfinder/userfiles/files/dowuvubaruroloko.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=the+bible+story+volume+1+pdfPDF 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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