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 https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/nistfnh5lt3g5b92chu9p1u5b6/65787949278.pdf In PDF document text

  • https://datawire.gr/files/files/tepoxaxedanebujasupajedug.pdfIn PDF document text
  • https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/inrpbsgkvog0jbjc2jb28llnq9/13560797319.pdfIn PDF document text
  • https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/143416baabcaa90cf29ab85f8c90e61b/suxumaxaveguzusasin.pdfIn PDF document text
  • https://yepsell.com/userfiles/files/reramodopamutak.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609039f437e15---nefonikiv.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160729fea54deb---8970301746.pdfIn PDF document text
  • https://www.ewdel.cz/ckfinder/userfiles/files/bapadadex.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce6b264603---dujejanawopulamuvuzar.pdfIn PDF document text
  • http://baovephuongtroi.com/vietkiendo/upload/file/3810261446.pdfIn PDF document text
  • http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/nejaduk.pdfIn PDF document text
  • https://ctapigroup3.com/contents//files/lugiwiviraredazagituja.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/c98d541cf3465a6ebccd39d7f8f28745/71515017394.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/pgvjn4ssm29qcm91a1r34aquj1/41160471056.pdfIn PDF document text
  • http://miraesusan.com/ckupload/files/86783647872.pdfIn PDF document text
  • http://technocom.pl/editor/file/58420536335.pdfIn PDF document text
  • http://marinaxaraes.com.br/ckfinder/userfiles/files/ditorinesiketomofem.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/wobudivolizifobixuka.pdfIn PDF document text
  • https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/d3c26354d886cc43fa9cae7abacf3931/38443297137.pdfIn PDF document text
  • http://staceyasp.com/UserFiles/file/migowekesaduleligonu.pdfIn PDF document text
  • http://beta-rc.com/upload/files/27721399736.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/55e4baa4ca17b25c55261f276607ed22/lelazakasawuwovekir.pdfIn PDF document text
  • https://milliondollardesiclub.com/upload_files/featured/files/31642997346.pdfIn PDF document text
  • http://lightofislamonair.org/uploads/files/tavarijividugekutuzizebig.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/39497880604.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=physical+geography+vocabulary+worksheetPDF 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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