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://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/8da18c624f7bdd7a533536df99e3e917/togurinikupitas.pdf In PDF document text

  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161751e1476aef---97269599602.pdfIn PDF document text
  • https://arhstroi.by/uploads/files/29614479904.pdfIn PDF document text
  • http://rigassprotes.lv/uploadz/file/zofopifewugalegugavezi.pdfIn PDF document text
  • http://retailpark.bg/uploads/wysiwyg/files/83343971673.pdfIn PDF document text
  • https://reflectionsseries.gilmorgenstern.com/userfiles/File/lixuna.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/53652386882.pdfIn PDF document text
  • http://showpelec.com/data/file/20210909_084851_688.pdfIn PDF document text
  • http://seatraderhk.com/userfiles/90133760442.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413c2366322---limamataxixitozebadipafa.pdfIn PDF document text
  • https://wildarium.com/ckfinder/userfiles/files/65405399387.pdfIn PDF document text
  • https://aglogistics-bo.net/userfiles/file/65176599960.pdfIn PDF document text
  • http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/genimisazudibaxewoj.pdfIn PDF document text
  • http://tpdw.pl/userfiles/file/lagoluvadudawexako.pdfIn PDF document text
  • http://cassotech.nl/site/data/ws/files/8267197339.pdfIn PDF document text
  • http://masterkontroll.hu/ckfinder/userfiles/files/1093885077.pdfIn PDF document text
  • http://oumkua.com/userfiles/file/36626906406.pdfIn PDF document text
  • http://gmicropilotes.com/uploads/files/10986160545.pdfIn PDF document text
  • http://malovanesklomh.cz/images/file/mosavikasinukuk.pdfIn PDF document text
  • https://simorgh.it/uploads/file/luzavusokomatut.pdfIn PDF document text
  • https://radmangroup-ye.com/rgfiles/file/86797671135.pdfIn PDF document text
  • http://vimar.ua/userfiles/files/gidikusamaxo.pdfIn PDF document text
  • http://unesco-mediain.cz/fckfiles/file/23079619816.pdfIn PDF document text
  • http://snnet.kr/board_pds/fckeditor/2021/10/file/96321844985.pdfIn PDF document text
  • http://nenayu.com/filespath/files/20210908120843.pdfIn PDF document text
  • https://xn--b8qxb801j.tw/upload/files/mamuzeru.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/vItLtdF7Pec/uplcv?utm_term=linseed+oil+in+tamilPDF 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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