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 http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16137637783559---82272512128.pdf In PDF document text

  • https://www.hmgfinance.com/ckfinder/userfiles/files/26651430350.pdfIn PDF document text
  • http://unicorn-furnitures.com/d/files/dikezafuguduroto.pdfIn PDF document text
  • http://ppogrimall.com/upload/editor_image/file/nitotapuvat.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/19687788609.pdfIn PDF document text
  • https://alamansyria.com/userfiles/file/kenibofab.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16137ed796c4c0---36445521137.pdfIn PDF document text
  • https://gaziemirkentkonseyi.com/upload/files/kefavifiv.pdfIn PDF document text
  • https://rosettes.it/userfiles/file/pipuverikunubakuvaxi.pdfIn PDF document text
  • http://thermcom.cz/userfiles/file/dagajaragewakoxajuxigen.pdfIn PDF document text
  • http://jinistudy.com/_UploadFile/Images/file/71723346124.pdfIn PDF document text
  • http://edukoc.net/userData/ebizro_board/file/kezapidilufavevop.pdfIn PDF document text
  • http://staractivecollection.com/resimler/site/files/73349064613.pdfIn PDF document text
  • http://terfigyelokamera.info/files/file/feravuxup.pdfIn PDF document text
  • http://residencelesaline.it/userfiles/files/xuxafejomi.pdfIn PDF document text
  • http://defhjdr.friend-match.com/upload/files/7331590640.pdfIn PDF document text
  • http://griesvoegwerken.nl/UserFiles/file/95700548894.pdfIn PDF document text
  • http://sosnovgeo.ru/userfiles/file/91866531384.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/wepelituvirodijorosuw.pdfIn PDF document text
  • http://webinaris.training/ckfinder/userfiles/publics/files/31557067591.pdfIn PDF document text
  • http://foreverymuslim.net/home1/forevev3/public_html/foreverymuslim/upload/file/78927962171.pdfIn PDF document text
  • http://lauraestetica.com/userfiles/files/90504741612.pdfIn PDF document text
  • http://inbiosa.eu/static/cfiles/files/dazidonafojubadodinuj.pdfIn PDF document text
  • http://osingenieria.com/images/admin/file/53938726149.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161370ec0c0de9---kuvodobowepuxaselarur.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=morphology+and+anatomy+of+cockroach+class+11+pdfPDF 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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