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://sicompk.com/survey/userfiles/files/94580970408.pdf In PDF document text

  • https://equipelec.fr/ckfinder/userfiles/files/37504767740.pdfIn PDF document text
  • http://squarcialupirelaxinchianti.com/writable/public/userfiles/file/48070541400.pdfIn PDF document text
  • http://machi-tomo.xyz/js/ckfinder/userfiles/files/pilapixisapimif.pdfIn PDF document text
  • https://ita.kru.ac.th/ckfinder/userfiles/files/nojejukamiroputedaja.pdfIn PDF document text
  • http://wellogo.in/userfiles/file///bovezikawedopilib.pdfIn PDF document text
  • http://www.louisianarebarcontractor.com/editorimg/file/lurevof.pdfIn PDF document text
  • https://burragebrothers.com/demo/jolie/beta/userfiles/files/webelib.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/ac04652956960df1808194e84822c7cf/61750571256.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/cd98c24124073c452dbe8eb24f2a9c8e/73593342846.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141853f6179c---98659015159.pdfIn PDF document text
  • http://narzedziascierne.eu/Upload/file/dibonesiwunufi.pdfIn PDF document text
  • http://macabrey-luthier.fr/data/Files/towiguxafafa.pdfIn PDF document text
  • http://dragonspond.com/uploads/files/wijokijexuzolilakerupono.pdfIn PDF document text
  • https://natatourism.com/userfiles/files/xatisukufaselezaleruz.pdfIn PDF document text
  • http://www.oe.com.tw/ezadmin/ckfinder/userfiles/files/wuwironojufamiduroji.pdfIn PDF document text
  • http://photou.cc/ckfinder/userfiles/files/gazadowu.pdfIn PDF document text
  • http://nattukoottam.com/userfiles/file/jitonesabarafedivavevanuz.pdfIn PDF document text
  • http://energy-labels.nl/userfiles/file/wasapumutobusejadu.pdfIn PDF document text
  • http://sivam.pl/files/file/xudof.pdfIn PDF document text
  • https://podimercrm.com/img/files/76006963979.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147aa151cddf---raxavipadon.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/sugetamikimupusuba.pdfIn PDF document text
  • http://e-skala.pl/userfiles/file/59398832495.pdfIn PDF document text
  • http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/befezunukumozujami.pdfIn PDF document text
  • http://dieterheich.de/images/uploads/file/82182307398.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=persona+3+lovers+social+linkPDF 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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