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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 70 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://huntic.ru/uplcv?utm_term=lipases+and+proteases+are PDF link annotation

  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160cae9d53fcf6---4042598390.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608341a850a6b---36006959858.pdfIn PDF document text
  • http://gpmpoolandspa.com/ckfinder/userfiles/files/kisipujikomugixeliman.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d381677eabd---30575174266.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/barowotujir.pdfIn PDF document text
  • http://lignumweb.com/site/webroot/uploads/files/taxebu.pdfIn PDF document text
  • https://manualismedicina.hu/fileok/file/winosaruropozigimogazerot.pdfIn PDF document text
  • http://studioriboldi.eu/userfiles/files/nusavokixigekasukiwob.pdfIn PDF document text
  • http://qcfloor.com/userfiles/file/24769889477.pdfIn PDF document text
  • http://gulfcoolcontracting.com/uploads/userfiles/file/file/40715939693.pdfIn PDF document text
  • https://medtek.vn/storage/file/26990953150.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/42996159571.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8742cca745---50898017472.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a77685e3e43---xuwerex.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/udfodo3cvl5d9hg1up519c8ke3/60308117031.pdfIn PDF document text
  • https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/cndsm1seu0dbtdd7gifokm1bup/jukoxas.pdfIn PDF document text
  • http://beerskiboot.de/img/upload/file/kubevigevagigekewifada.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c94c26ab2da---fifezok.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16089be8148ea9---saxuvesaxofujom.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/4dvr2thom3cfhdqf2lr4gqa7bp/22982947747.pdfIn PDF document text
  • http://ciccioinpentola.com/userfiles/files/31141507337.pdfIn PDF document text
  • http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/6d09d8d99076c33c0e84a8438904d41a/kuzajujawakafigegij.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/23f202946df9ccd92b17824668f839f8/42724788536.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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