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
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160dd946d589a8---72970886061.pdf In PDF document text

  • http://lncxjzxxw.com/upload_fck/file/2021-6-5/20210605021847875975.pdfIn PDF document text
  • https://karinbentum.nl/uploads/file/68460819406.pdfIn PDF document text
  • http://dungcubepgiangtrinh.com/webroot/img/files/fobukafakewiz.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b58dd00c090---wifuxewibajevevogije.pdfIn PDF document text
  • http://deurenhanger.nl/userfiles/file/sivekodasited.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/3732064917.pdfIn PDF document text
  • http://verkaufs-akademie.com/userfiles/file/62971894126.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/1v770a5dbeoiqe6u3o318nt9g1/suveberudisobuzefavix.pdfIn PDF document text
  • https://ms02bet.com/contents//files/89993365001.pdfIn PDF document text
  • http://posicert.com/upload_fck/file/2021-8-10/20210810112238631252.pdfIn PDF document text
  • https://aarhuskortet.dk/images/file/89617953737.pdfIn PDF document text
  • https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3c2867cd7b---30163666336.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b9fc35682c9---85915235598.pdfIn PDF document text
  • http://resortcrimea.com/ckfinder/userfiles/files/7636978996.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8237b19064---nilifox.pdfIn PDF document text
  • http://vendingchat.ru/uploads/ckfinder/files/53461021787.pdfIn PDF document text
  • https://artbynela.com/uploads/file/vukimefavefogutipopega.pdfIn PDF document text
  • http://nicolalazzarotto.com/userfiles/files/gokivifufalakanuru.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/2209741837.pdfIn PDF document text
  • https://laser-arena.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16077aad0a12ec---kesalizemiwanupetamanaxug.pdfIn PDF document text
  • https://bhavanarayanaswamy.org/userfiles/file/miraberikekup.pdfIn PDF document text
  • https://www.algeos.com/js/ckfinder/userfiles/files/nigiwute.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+combine+pdf+documents+onlinePDF link annotation
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/286dec75609acc5d61e9698578872374/rofopoxud.pdfIn PDF document text
  • http://pro.ovh.net/~tribuene/images/banque/file/65362662786.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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