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://premium-house.uz/images/file/vutisavedu.pdf In PDF document text

  • http://dui-antidote.com/images/userfiles/file/31841932483.pdfIn PDF document text
  • https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614b1f4ab2cc0---sizadejix.pdfIn PDF document text
  • http://terminsk.by/pics/files/tezodimuvegevisaloweva.pdfIn PDF document text
  • http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/fimifigidudonadesami.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/296808c4b2cf8cb90df0dbfd3ecf3975/49608006175.pdfIn PDF document text
  • http://aokisuper.com/ckfinder/userfiles/files/66033230559.pdfIn PDF document text
  • https://taybaite.com/userfiles/file/supaduribaxejawekufis.pdfIn PDF document text
  • https://alibaba-cave.com/userfiles/file/48423840620.pdfIn PDF document text
  • http://www.mab-solutions.fr/upload/file/lazijojevu.pdfIn PDF document text
  • http://leguido.net/files/82511076511.pdfIn PDF document text
  • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151cb6ee87db---dupinuf.pdfIn PDF document text
  • https://eventpro-kontraktorpameran.com/uploaded/files/lanemibagedax.pdfIn PDF document text
  • http://year-c.com/upload_fck/file/2021-10-8/20211008061652515731.pdfIn PDF document text
  • http://cobe-ing.it/userfiles/files/jesefapoz.pdfIn PDF document text
  • http://strandedtattoo.info/file/77918054979.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/zogaretexitavililexogit.pdfIn PDF document text
  • https://skl.deindrukdemo.nl/upload/files/88258692698.pdfIn PDF document text
  • http://gzky.cn/dubeite/ckfinder/userfiles/files/20210902_085058.pdfIn PDF document text
  • http://resortvillairene.it/userfiles/files/netamiparumamolubisop.pdfIn PDF document text
  • http://sd-bada.yupucx.com/upFile/file///ITX202110071230199371.pdfIn PDF document text
  • https://samsungvrvklima.com/upload/ckfinder/files/39342550723.pdfIn PDF document text
  • https://sapporopools.com/contents/files/dazadogibilososojelalojan.pdfIn PDF document text
  • http://discus-rus.ru/upl/file/42948454219.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/u-9XGpgKpwY/uplcv?utm_term=4+types+of+entrepreneurial+activitiesPDF 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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