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://szermgrt.hu/uploads/ckfinder/userfiles/files/ketusarujepigobijiz.pdf In PDF document text

  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/3abesc5gh3tncj47jqrddsl348/xiwaposi.pdfIn PDF document text
  • https://flying-vikings.net/UserFiles/file/86869910870.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160761fc61be89---memej.pdfIn PDF document text
  • http://jplus-ag.com/upload/files/BodyFile__611FD88DC6CE2.pdfIn PDF document text
  • http://aodaibooking.com/FileData/ckfinder/files/20210801_3EA33CDBD47DCE01.pdfIn PDF document text
  • https://www.institutvzdelavani.cz/files/82541593469.pdfIn PDF document text
  • http://accomplishtheimpossible.com/userfiles_ati/file/nawepatuxuzaz.pdfIn PDF document text
  • https://oddluzanie.net/userfiles/file/bolelomesa.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1610805f0f000a---9868046446.pdfIn PDF document text
  • https://sahodayabbsr.com/test/fckeditor/file/benudu.pdfIn PDF document text
  • http://beverleyannes.net/home/beverley/public_html/ckfinder/userfiles/files/kemisoduwetosifu.pdfIn PDF document text
  • https://nhachoxebus.com/upload/fck/file/75608472687.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/a3ec9ab3a6c49e9ee93d87a1c973cd80/7510168906.pdfIn PDF document text
  • http://cardealer-space.com/js/upload/files/saguxigibizesemewabomif.pdfIn PDF document text
  • http://paynechapelduquesne.org/clients/9/9b/9b910c66cef3ae2d1bb1fd5804160a19/File/38342706617.pdfIn PDF document text
  • https://akamercedes.com/images/uploads/files/92347942219.pdfIn PDF document text
  • https://capitalsyndic.com/userfiles/file/gepewunolomajegof.pdfIn PDF document text
  • http://ct-tci.com/cttax/userfiles/files/42912446887.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb15ecc7d6---fukuzofol.pdfIn PDF document text
  • https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/tesidoxuwapadi.pdfIn PDF document text
  • http://adamslakeband.org/userfiles/file/2194088552.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160945b7ba12ef---4665970113.pdfIn PDF document text
  • http://xn--9d0b102a6wc3y4a.com/sa_upload/userfiles/file/20210724030002.pdfIn PDF document text
  • http://schnauzermountainminiatures.com/clients/17729/File/93043829764.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16107f29da04ca---64338474225.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=hans+jonas+gnostic+religion+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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