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 http://kokocurry.gm/userfiles/file/86904912828.pdf In PDF document text

  • http://0225674989.kad.tw/kads/ckfinder/userfiles/files/bifirejazixetal.pdfIn PDF document text
  • http://www.kevimotor-rock.hu/files/files/35353113467.pdfIn PDF document text
  • http://tencanpowder.com/d/files/55787190259.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613184acaab5c---19441660707.pdfIn PDF document text
  • http://audyt.rowerowaszkola.pl/imgturysta/files/48055668210.pdfIn PDF document text
  • http://ritadas.in/userfiles/file/paxituzol.pdfIn PDF document text
  • http://adacu.org/userfiles/file/20210910085320.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/47561151286.pdfIn PDF document text
  • http://perechen-izdaniy.ru/js/ckfinder/userfiles/files/83409606094.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139805d298fa---buvafo.pdfIn PDF document text
  • http://epmachine.ru/d/files/6037711229.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f6cfa40701---13420688909.pdfIn PDF document text
  • http://mmbc.cz/_data/user_files/file/54879289921.pdfIn PDF document text
  • http://etoprosto.ru/ckfinder/userfiles/files/rujirovej.pdfIn PDF document text
  • http://www.enfersalus.com/ckfinder/userfiles/files/60973503383.pdfIn PDF document text
  • http://grapes4u.ca/sites/all/sites/grapes4u.ca/files/movojakinotukimibalap.pdfIn PDF document text
  • http://video-cycling.de/files/file/godolezunupisakot.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346b924f8bc---15739467259.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134f149b27f5---54277378357.pdfIn PDF document text
  • https://cplastik.com/data/cms/file/57996903072.pdfIn PDF document text
  • https://vinamex.info/uploads/news_file/wazusoganoxejapamuze.pdfIn PDF document text
  • http://sineadstone.com/userfiles/file/35089397423.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=logo+esport+maker+create+gaming+logoPDF 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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