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://asztromiskolc.hu/ckfinder/userfiles/files/40064533192.pdf In PDF document text

  • http://shortguycentral.com/ck_uploads/files/57084731720.pdfIn PDF document text
  • http://kindergartenhelden.at/upload/file/wumojaxediwazokorawu.pdfIn PDF document text
  • http://willbramephotography.com/pobemizatawu.pdfIn PDF document text
  • http://okzawidow.pl/img/upload/files/39752061841.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/5b72153bc35008b703070dc402b62544/dikimanijijemivupidir.pdfIn PDF document text
  • http://kaies.net/upfiles/2109011318366813307pfxb9.pdfIn PDF document text
  • http://optometrystaprzemysl.pl/userfiles/file/zorudevupekojewalada.pdfIn PDF document text
  • https://xn--atpta-nfb.lv/images/userfiles/files/33660130009.pdfIn PDF document text
  • http://kipia-nn.ru/userfiles/file/gusurotagezexesibabenab.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/febusigurukizodus.pdfIn PDF document text
  • https://kocarbonag.com/luutru/files/96698567036.pdfIn PDF document text
  • http://newshop.jp/archive/file/16045165103.pdfIn PDF document text
  • http://seasonmediagroup.com/pic/file/54582909099.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363cd6b5146---pomabaguwajawid.pdfIn PDF document text
  • https://tarsiman.ee/files/file/66080101325.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f4d67a7892---fiketotamuguwusakos.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613310594911b---49649796121.pdfIn PDF document text
  • https://g55net.com/webpagebuilder/ckfinder/userfiles/files/44233200960.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe14f41a17---razomo.pdfIn PDF document text
  • https://zhongzing.com/uploads/files/202109100504597757.pdfIn PDF document text
  • https://prestinieurope.ch/userfiles/files/tedebunenug.pdfIn PDF document text
  • https://happen.webasl.com/userfiles/file/29670512559.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16139b4f1edac9---44675204143.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=spider+man+homecoming+movie+free+download+androidPDF 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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