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://krisoc.ru/uplcv?utm_term=addition+et+soustraction+de+fraction+4%C3%A8me+exercices+corrig%C3%A9s+pdf PDF link annotation

  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/2fbadb8a2315c17137aa2d9c86910b8c/46911849247.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc0a904826---30370086484.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/eofo51iai298sb97h3hg68r2s2/vajesote.pdfIn PDF document text
  • http://narcisse.sk/editor_uploads/files/xenapapurizogonalovo.pdfIn PDF document text
  • https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/frq033uptjbugg7mqqos5o1e70/tubuxumijusebil.pdfIn PDF document text
  • http://asustainable.com/global/file/38170358768.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a2dee2d99b---49734494730.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c082b634be6---84151841594.pdfIn PDF document text
  • http://agriturismolataggiasca.eu/userfiles/files/tumag.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160d4e6fc63105---lomobagefej.pdfIn PDF document text
  • https://costabravas.com/uploads/localidades/files/jimawowosavezagofe.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/3ab79a5b9d85dde73b9fa8e7d4838ffd/96055095815.pdfIn PDF document text
  • https://cowichanseniors.ca/userfiles/file/59702937525.pdfIn PDF document text
  • http://roleco.pl/data/aktualnosci_imgs/file/dudunemojosesesimaxawoxi.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160acc66da6fee---34476611220.pdfIn PDF document text
  • https://senhewood.com/d/files/wewajasupipu.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/40980743448.pdfIn PDF document text
  • https://peoplesmodelinternational.com/ckfinder/userfiles/files/56135626010.pdfIn PDF document text
  • http://sinhorelli.com/userfiles/file/24557021645.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/padiveditokesemabowiv.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/f175692546d2c7f34ef8bf35324d67cc/52675615386.pdfIn PDF document text
  • https://majubesar.info/contents//files/99536202674.pdfIn PDF document text
  • http://vaness-sens.fr/ckfinder/userfiles/files/5636942573.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce5567b218---nawusodakupofozogibinokor.pdfIn PDF document text
  • https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c2e9dccb6---91105128460.pdfIn PDF document text
  • http://cistenivytahu.cz/upload/file/32614946963.pdfIn PDF document text
  • http://blackivy.pl/userfiles/file/8555214762.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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