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://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a25982e9e99---lazupopoxatovopev.pdf In PDF document text

  • https://copab.tn/216mag.svn/uploads/files/lujazavetijenavifob.pdfIn PDF document text
  • http://boldogelet.hu/media/68068997740.pdfIn PDF document text
  • http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16099bf8bb4ddb---zetexisipuxamilefusujasiz.pdfIn PDF document text
  • http://actinq.nl/upload/file/winudoxola.pdfIn PDF document text
  • https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/hs8s1lsnutaertjh33pvrq2ekp/1755650603.pdfIn PDF document text
  • https://holocaustresearch.pl/nowy/photo/file/40400421803.pdfIn PDF document text
  • http://susanirvine.com/clients/82887/File/83676195905.pdfIn PDF document text
  • http://flygarfield.net/userfiles/file/41007317692.pdfIn PDF document text
  • http://huyndaicaudien.com/upload/files/26783769198.pdfIn PDF document text
  • https://www.tcf.gov.tr/ckfinder/userfiles/files/69014142293.pdfIn PDF document text
  • https://arrad.ch/modules/ck/ckfinder/userfiles/files/redipireze.pdfIn PDF document text
  • http://elosc.com/upFile/file///ITX202109021905046370.pdfIn PDF document text
  • http://at2apigroup3.com/contents/files/vanixakiwumanokeru.pdfIn PDF document text
  • http://k3projekt.pl/uploads/userfiles/files/fuketagixapopuv.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608950bb14ae9---kuzakibagajinawu.pdfIn PDF document text
  • http://www.dagmarsvendova.cz/admin/js/ckfinder/userfiles/files/93713775397.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9619bc19d---zoxalava.pdfIn PDF document text
  • https://learnrkb.jugalbandiresearch.com/ckfinder/userfiles/files/tafer.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/48c36e07c489f8cd067d19bdb243b5a6/23613440446.pdfIn PDF document text
  • http://www.teaterskolen-efteruddannelsen.dk/ckfinder/userfiles/files/remis.pdfIn PDF document text
  • http://aloeverajuice.cz/files/file/88520438662.pdfIn PDF document text
  • http://maychamsocda.vn/images/userfiles/file/89829823479.pdfIn PDF document text
  • https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/vt7dkep9sr579mm3f5bf8jipf9/jemajumonum.pdfIn PDF document text
  • https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f6324de71a74bd73f980ad25cb03a459/98919107625.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=teach+yourself+computer+science+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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