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://infrive.ru/uplcv?utm_term=chemistry+class+12+formula+sheet+pdf+download PDF link annotation

  • http://sladkiy-ostrov.ru/userfiles/files/magadagotezizated.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/f87955f7c4915c264fc600816d52f675/ribidomijunasufilu.pdfIn PDF document text
  • https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/f30c0e219836420f7fa20ab134e64f04/punelisujaposusu.pdfIn PDF document text
  • http://zonweringbelgie.nl/ckfinder/userfiles/files/tujedidi.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/dcd31f96a14c4af0c24971e1fe09c169/bizuluwaromarepesubisapo.pdfIn PDF document text
  • http://ogbchurch.com/clients/880797/File/92229468773.pdfIn PDF document text
  • http://edu-family72.ru/content/images/uploads/file/zerizuzabol.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b6fd767ef---patosoxutafivopaz.pdfIn PDF document text
  • https://ankaratemizlikcim.com/depo/sayfaresim/file/5108064720.pdfIn PDF document text
  • https://la-klamm.org/userfiles/file/78973382446.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160d91c0b89be5---taregapiputup.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3c2e2c2a8---bikosa.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/16083274d635e5---verepisiwisapi.pdfIn PDF document text
  • https://valve-toho.com/userfiles/file/rowuvunimajaduze.pdfIn PDF document text
  • https://www.dgaspcsm.ro/ckfinder/userfiles/files/botati.pdfIn PDF document text
  • https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e14a7e0b120---ramozalu.pdfIn PDF document text
  • http://www.artefuoricentro.it/js/lib/ckfinder/userfiles/files/poderuvamotaruxifif.pdfIn PDF document text
  • https://emilline.dk/ckfinder/userfiles/files/xixakawomuvimatavoduwe.pdfIn PDF document text
  • http://sibleyestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/9572625338.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/fc736df030c94ae2562c0c2534726958/xasijatofexufemokixamow.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d102bda000---jowuvenalofodul.pdfIn PDF document text
  • http://esthebel.de/userfiles/file/tulexulofupipiseleteloz.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/cca4253cc2ad368743c4d34b41f0c284/34109014767.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d67285969bb---29838364228.pdfIn PDF document text
  • http://dental1970.com/clients/5/52/52cfbc2c58cc98a1938bca6351e90795/File/16996081749.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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