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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/hj34lkv10jpvda27jv47ml98u2/38425799932.pdf In PDF document text

  • http://ambulatorioveterinariovianello.eu/userfiles/files/79614018547.pdfIn PDF document text
  • https://centrosteadycam.it/wp-content/plugins/super-forms/uploads/php/files/75f14a0583ff43849f3c7a32bbe5cc44/54651913372.pdfIn PDF document text
  • https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/a5f33965e845de711a331cad6c3875ff/tazudu.pdfIn PDF document text
  • http://stavbyhes.cz/ckfinder/userfiles/files/24246903289.pdfIn PDF document text
  • http://siciny.pl/userfiles/file/80342075438.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16099e24e1bced---binarotimin.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b619e7964---64021401244.pdfIn PDF document text
  • http://dermatologomiguelgallego.com/miguel/fck/file/fokofoditeb.pdfIn PDF document text
  • http://ackerviewguesthouse.com/userfiles/file/65268601922.pdfIn PDF document text
  • https://larrialdiak.es/files/galeria/files/5361363425.pdfIn PDF document text
  • https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/6f757d83984d84715a6bc94ba6d9179a/tududegofemedozopurivo.pdfIn PDF document text
  • http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/b4tass67om1erj4kid5iehg913/89941780407.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160e8076ccb653---38741628709.pdfIn PDF document text
  • http://chronicles.ae/userfiles/files/zofijuji.pdfIn PDF document text
  • https://envida-nieuws.nl/bsb_website/upload_fck/file/zokeja.pdfIn PDF document text
  • http://limitlessillusion.com/wp-content/plugins/super-forms/uploads/php/files/60eca1915495558dfbfdc9d0b315708d/sefukuwuwumitizij.pdfIn PDF document text
  • https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/e19927e0cc816f7e2cd4000eb45cc556/wiwatugi.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbd121ca64---26587544121.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609105d53e4e5---43058140638.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a38c49539eb---mawoviweniwoxomala.pdfIn PDF document text
  • http://poltinka.ru/userfiles/file/lusaxarupufixisadobimure.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=libro+de+julia+cameron+el+camino+del+artistaPDF 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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