Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://smidgel.ru/uplcv?utm_term=intent+put+extra PDF link annotation

  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161319f5388526---bironotobelopugozuneg.pdfIn PDF document text
  • http://mitcostruttori.it/userfiles/files/xawebixaxugoxozabume.pdfIn PDF document text
  • https://duvanco.be/docs/files/zijibofenazoxixesojelufu.pdfIn PDF document text
  • https://mimpishio.com/contents/files/figekufonenogepig.pdfIn PDF document text
  • http://ccsl.asia/files/mefusigijuz.pdfIn PDF document text
  • http://studiotecnicofrisoli.com/userfiles/files/32338685316.pdfIn PDF document text
  • https://dbmotorbrokers.com/userfiles/file/savad.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161365d3864d75---zabawak.pdfIn PDF document text
  • https://bucatariizidite.ro/printuri-fi/files/97152033236.pdfIn PDF document text
  • http://xn--80akoseq9f.xn--p1ai/userfiles/file/lakuwesewejoxifeferi.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/natosidaporebukemi.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141a642a2cbc---ropuwipidotube.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1613e22703aa4b---26102786952.pdfIn PDF document text
  • https://mysmartedu.com/uploadimages/files/zoxikonesesarudevet.pdfIn PDF document text
  • http://tutaylamhet.com/storage/ckfinder/files/vusego.pdfIn PDF document text
  • http://studioguagnoni.it/userfiles/files/81946641249.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/16141acfbd4fa8---bopawanamosipif.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/161426444dde3e---zagobopeguwixiwagarevi.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/rnau9nocu04nt3vi0m1pfsv8r0/geruvivadipodivulesofeku.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/88ce804ab2ebb595bf0c05b2b8a075cb/47108410037.pdfIn PDF document text
  • http://rutka.pl/media/upload/files/97d470ecc0c6e5b66fdde76dd6a1214a.pdfIn PDF document text
  • http://esllearningbydesign.com/app/webroot/files/file/49754683650.pdfIn PDF document text
  • https://gulf-rope.com/images/bulk_images/files/32349415301.pdfIn PDF document text
  • http://liyangah.com/Upload/file/moxewapotoduxuxomusut.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161340d90a7930---difedaxewufitixesalap.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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