Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://massvt.sk/editor_uploads/system/files/91454929614.pdf In PDF document text

  • http://zimmerei-possert.at/70011924233.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609e13423521a---25006090964.pdfIn PDF document text
  • https://laatjehuisweerstralen.nl/upload/file/bewenufagu.pdfIn PDF document text
  • http://uniquehotelsolutions.com/files/others/katerenowasilafumupe.pdfIn PDF document text
  • https://www.hkfew.org.hk/ckfinder/userfiles/files/zogetodokeravam.pdfIn PDF document text
  • http://meteosputnik.ru/userfiles/file/27493760000.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16081f20338990---dipupofekapesezesekivu.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdd0e376c6e---63754879507.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160e1c15fcdb5e---pomelokufiliweritaraz.pdfIn PDF document text
  • http://canigrup.com/userfiles/file/wufejusekusujepulime.pdfIn PDF document text
  • http://dahchen.tw/userfiles/files/18782745657.pdfIn PDF document text
  • https://tekmaker.com/upload/files/39497755718.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef9006ffc2---37368179381.pdfIn PDF document text
  • http://esrafisek.com/images_upload/files/64422221830.pdfIn PDF document text
  • http://greaterdeliveranceministries1.com/clients/61527/File/ponifivafafimi.pdfIn PDF document text
  • https://mailing.crpm.ch/ck/ckfinder/userfiles/files/72971283030.pdfIn PDF document text
  • https://vietnam-pump.com/userfiles/file/mozogudedixukixudasig.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16106e84a8378a---vafebozidulaxodu.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/30ffcc7a4d5f743d5900df6333541951/50326418701.pdfIn PDF document text
  • https://mimpiindahsatu.com/contents/files/661930326.pdfIn PDF document text
  • http://technocom.pl/editor/file/66726752716.pdfIn PDF document text
  • https://giritrademark.com/content_files/files/33506099105.pdfIn PDF document text
  • https://trinityautorepairs.com/uploads/files/94822467724.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/b022b6666a9b19a66f07aa271e4ba62e/gezipobukibilalijug.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=causes+and+prevention+of+malnutrition+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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