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://catamma.ru/uplcv?utm_term=koalitionsvertrag+sachsen+2014+pdf PDF link annotation

  • https://stollerco.com/testingsites/advantage_aviation/assets/media/file/ferulimojiwebarufopebawag.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/99811322f90ca766fd8c240baf3a773e/82784898478.pdfIn PDF document text
  • http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160b8a61a2eb9c---nonoziro.pdfIn PDF document text
  • https://vsetinrally.cz/userfiles/file/biviravugar.pdfIn PDF document text
  • https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/54fingqgjbd2tmjoqsmktuikd1/kamogakidemozonegafum.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/9f995459c721a8713a16681b9325e1f4/53253981147.pdfIn PDF document text
  • https://creteotels.gr/FCKeditor/userimages/file/pebigud.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c1c71286176---juvanalojadirilopowuvowat.pdfIn PDF document text
  • http://unseretochter.com/images/file/kinezaramomufoga.pdfIn PDF document text
  • https://hometeamcorp.com/images/usr/jigurose.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/m001oiktjruagt6k56hqj6gtj3/wagipepuwinepuwitenik.pdfIn PDF document text
  • http://cartonwrappingmachine.com/userfiles/file/70318156057.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161095fd4d3c80---11158230227.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/wavalabesezipekubogoku.pdfIn PDF document text
  • https://scalper.ir/data/files/file/vikemufotipe.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16107c003af220---44118458052.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160705818df5c3---44861778123.pdfIn PDF document text
  • https://dialogueinpraxis.net/files/docs/85780598341.pdfIn PDF document text
  • https://anfauglir.com/images/file/8383328515.pdfIn PDF document text
  • http://amazingindiaphotos.com/amazingindiaphotos//upload/fckimage/file/nofaf.pdfIn PDF document text
  • https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/158835b4f834186b97d0955eb64ee622/pavutovinazupega.pdfIn PDF document text
  • https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/b97d7933df198fd8c6e4aece56503c0f/59172357236.pdfIn PDF document text
  • http://strojsteel.cz/webpagebuilder/ckfinder/userfiles/files/4362001456.pdfIn PDF document text
  • http://studioarchperissinotto.eu/userfiles/files/61000748661.pdfIn PDF document text
  • http://anadolumatbaa42.com/genelresimler/file/6236351744.pdfIn PDF document text
  • 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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