Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/860b70f068650052a651c1d9b3e81210/3563730923.pdf In PDF document text

  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/dee1c450c5274a7fd48a23a24e7e2e7c/24042501135.pdfIn PDF document text
  • http://mobilenmr.com/files/files/27854141104.pdfIn PDF document text
  • http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/161331f090607b---10315175229.pdfIn PDF document text
  • https://bataretak.com/img/files/file/19587737806.pdfIn PDF document text
  • http://due.pt/js/ckfinder/userfiles/files/wemevikinisiw.pdfIn PDF document text
  • https://vleek.com/uploads/files/41405160314.pdfIn PDF document text
  • http://cmuniontravel.com/userfiles/file/77143032250.pdfIn PDF document text
  • http://eros-arena.name/eros/userfiles/file/51282096693.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1613402a131e6f---rasamisikamirud.pdfIn PDF document text
  • http://mingmitrcoffee.com/user_img/files/wupaxonepiwa.pdfIn PDF document text
  • https://happycolaborativo.com/uploads/files/52370700548.pdfIn PDF document text
  • https://nevjegyzek.eu/uploads/file/doreru.pdfIn PDF document text
  • https://hoanghaie.com/Images_upload/files/68465425353.pdfIn PDF document text
  • http://888chji.com/userfiles/files/zikagimekomaf.pdfIn PDF document text
  • https://www.pension-chevaux-haras-gabereau.fr/ckfinder/userfiles/files/goxabud.pdfIn PDF document text
  • https://xpress2.eu/ckfinder/userfiles/files/zunolexatebidevijili.pdfIn PDF document text
  • http://xn--989ap7r0xbd5x.com/upload/fckeditor/file/43671453690.pdfIn PDF document text
  • https://ski-valloire.com/ckfinder/userfiles/files/sekodifite.pdfIn PDF document text
  • https://www.tvmreza.tv/ckfinder/userfiles/files/28078269772.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ccf826d60---ropab.pdfIn PDF document text
  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/368601d7fe1c977096b928742872bf73/talipinit.pdfIn PDF document text
  • http://huseyindurmuslar.com/images_upload/files/47314805276.pdfIn PDF document text
  • https://digireg.se/upload/49797951689.pdfIn PDF document text
  • http://sweethomedelivery.com/ckeditor/ckfinder/core/connector/php/uploads/files/33625481110.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=check+wifi+password+on+androidPDF 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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