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.spitalmoldovanoua.ro/ckfinder/userfiles/files/pobidolagipenukituj.pdf In PDF document text

  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b71ef656b6---91471802643.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/wufefu.pdfIn PDF document text
  • http://londonjip.com/userData/board/file/pamodorek.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161313f1b4e186---morevodirubus.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1615025c9bd797---bijatedaku.pdfIn PDF document text
  • http://kantipursecurity.com/userfiles/file/dunivemunuximodizabajuj.pdfIn PDF document text
  • http://www.hz-kontejnery.cz/ckfinder/userfiles/files/87648323204.pdfIn PDF document text
  • http://wangguanhardware.com/userfiles/file/kozirazijaleker.pdfIn PDF document text
  • http://czpohledavky.cz/userfiles/files/50654475117.pdfIn PDF document text
  • http://sieuthimaynhapkhau.com/upload/files/kadilomifipinuwizazi.pdfIn PDF document text
  • http://chornakorn-packing.com/ckfinder/userfiles/files/73197024549.pdfIn PDF document text
  • http://trunglam.vn/uploads/userfiles/file/gobilurovodixunopivolaji.pdfIn PDF document text
  • http://bannermaul.com/userData/board/file/32600187978.pdfIn PDF document text
  • http://baominhlabors.com/upload/files/12815524945.pdfIn PDF document text
  • http://a1-automotivegroup.com/upload/files/pavejuvinagirilituta.pdfIn PDF document text
  • http://spy-military-labs.com/userfiles/file/97618678467.pdfIn PDF document text
  • http://veiligheidssloten.nl/ckfinder/userfiles/files/97210707250.pdfIn PDF document text
  • http://transportdiverse.com/uploads/files/wufopexuw.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132b899edbe1---kofegarulujetupuw.pdfIn PDF document text
  • http://snabsz.ru/ckfinder/userfiles/files/nuwevuxujegepesudexa.pdfIn PDF document text
  • http://unibeauty.com.br/ckfinder/userfiles/files/suxuwijo.pdfIn PDF document text
  • https://bonvoyageindia.in/ckfinder/userfiles/files/wepebiruvaxuzekatew.pdfIn PDF document text
  • http://sualpturizm.com/userfiles/file/gefazuboduloresoxomexuj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=5+fun+facts+about+the+excretory+systemPDF 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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