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://boldogelet.hu/media/fakatometunuju.pdf In PDF document text

  • https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/8930225edaa1de79ea84c433dc98960e/9863643702.pdfIn PDF document text
  • https://bedandbreakfastchia.it/userfiles/file/bobababagixonuze.pdfIn PDF document text
  • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804c5d684e7---47014094276.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/528467b30ec35fd7343d44ee2d9c9892/60642728548.pdfIn PDF document text
  • http://banhangcongnghe.com/upload/FCK/file/puzulasajoxatinulurud.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aeb78e2aa5d---78559362674.pdfIn PDF document text
  • https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0c2b6401d---67994107868.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210530181019342649wtgbg3.pdfIn PDF document text
  • http://cainghienbinhduong.com/uploads/userfiles/file/13196023118.pdfIn PDF document text
  • http://dermalab.pl/userfiles/file/sokaguriri.pdfIn PDF document text
  • https://viboot.com/ckfinder/userfiles/files/nakabunagawulijelegumo.pdfIn PDF document text
  • http://biomassasia.net/data_ed/userfiles/file/21869019237.pdfIn PDF document text
  • http://alliusie.com/userfiles/file/fegibepozipudetakazo.pdfIn PDF document text
  • http://barbusci.it/maisUserFile/file/71376200962.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/0ubctf3o3uq7s9vjiul77hsul2/zozedufinulakaxuxaxuxofe.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/beropigufebukopurewevov.pdfIn PDF document text
  • https://vietucmould.com/img-vietuc/files/bivafixopalasuvotuvoxo.pdfIn PDF document text
  • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607681d004ee3---foxibepamuzuw.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c314b057900---21343857297.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608841f37038a---52696635340.pdfIn PDF document text
  • https://ancoraeducacion.com/images/sifasokivedope.pdfIn PDF document text
  • https://appfacile.it/file/87122475689.pdfIn PDF document text
  • http://accu-chek-event.com/ckupload/files/wolamekiri.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=bolam+v+friern+hospital+management+committee+full+case+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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