Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• JavaScript action low 1 related finding PDF_JAVASCRIPT
  PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135b0afae30e---ruvin.pdf In PDF document text

  • https://mywayrtk.com/userfiles/file/pixubukirutujulijig.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/60088623765.pdfIn PDF document text
  • http://laureysnv.be/uploads/files/vonokamul.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/1ufqq0516d1l06rouc7vclu5im/lanuruzi.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16134f783d6634---bozinuzadefepijo.pdfIn PDF document text
  • http://studiocinti.eu/userfiles/files/pisajasagogufav.pdfIn PDF document text
  • http://lideparts.com/userfiles/file/1631060703.pdfIn PDF document text
  • http://luijkzonwering.nl/image/file/1018553247.pdfIn PDF document text
  • http://zhongjiukeji.com/upload_fck/file/2021-9-6/20210906100638211708.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/55554029472.pdfIn PDF document text
  • https://darkoyunpin.com/calisma2/files/uploads/siziridunafuwezoxizug.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/161424e6db02e4---ziwozijebujorimidamuruwu.pdfIn PDF document text
  • http://podushka.by/files/files/timipufifak.pdfIn PDF document text
  • http://daglichtfilters.nl/ckfinder/userfiles/files/83500010548.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/ijnua8cl9vvrct46ocqnn8k7p1/lawud.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/f1025cc361adc94338faf7eb65881754/laluderegodaserisavovalu.pdfIn PDF document text
  • http://ingpiazza.eu/userfiles/files/wosejile.pdfIn PDF document text
  • http://vladekoservis.ru/files/zasizakikobupixigapa.pdfIn PDF document text
  • https://kawanmto.com/contents/files/zujilenozivem.pdfIn PDF document text
  • https://jordan.si/dokumenti/file/pujoromu.pdfIn PDF document text
  • https://www.iieng.org/editor/ckfinder/userfiles/files/79009521733.pdfIn PDF document text
  • http://bargiel.com.pl/ckfinder/userfiles/files/dupujofizef.pdfIn PDF document text
  • http://volker-issmer.de/userfiles/file/77251449578.pdfIn PDF document text
  • http://profitoolinfo.ru/ckfinder/userfiles/files/jirexobumozujifarajujeru.pdfIn PDF document text
  • http://longruiglass.com/ckfinder/userfiles/files/20210914_170259.pdfIn PDF document text
  • http://ekogamma.pl/javascript/ckfinder/userfiles/files/97058345233.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=best+ios+mmo+gamesPDF 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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