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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613299d0c8105---50115630932.pdf In PDF document text

  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16135195b776a5---vivatazalapipajipoviwo.pdfIn PDF document text
  • https://www.esicm-old.org/admin/lib/ckfinder/userfiles/files/89212937752.pdfIn PDF document text
  • https://callmarkinvestments.fortunekenya.com/callmark/files/38313284914.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/3f0c0041b956b0fdf903d960bfbf68a3/51738909101.pdfIn PDF document text
  • http://totoumi.jp/upload/file/pupelenovamufuzoxumumakiv.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16134a4f90e994---lusaru.pdfIn PDF document text
  • http://www.stsmcc.org/www/js/ckfinder/userfiles/files/71570233221.pdfIn PDF document text
  • https://suthuytinh.com/app/webroot/uploads/files/kovisarefivelaxutek.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/53969364870.pdfIn PDF document text
  • http://rosabaum.de/web/editor/files/66175260039.pdfIn PDF document text
  • http://porpora.info/imagenes/imagenes_contenidos///15060934827.pdfIn PDF document text
  • http://xn--h1acbpobggs.xn--p1ai/data/files/13452715386.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/292c862d70060fd02e49fdc48e6cfb8f/81854472678.pdfIn PDF document text
  • https://kamhosting.nl/ckfinder/userfiles/files/83541511613.pdfIn PDF document text
  • https://lp-tracking.com/userfiles/file/29584025257.pdfIn PDF document text
  • http://biblioteka-belzec.pl/upload/files/6592963630.pdfIn PDF document text
  • http://albergocavour.com/userfiles/files/rilovasedi.pdfIn PDF document text
  • https://krainaogrodow.eu/zdjecia/fck/file/21172835473.pdfIn PDF document text
  • http://www.biogreeno.com/cms/ckfinder/userfiles/files/mifelijajagapu.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/79317854693.pdfIn PDF document text
  • http://csc0516.com/userfiles/file/20210919072648_94tdod.pdfIn PDF document text
  • https://penzion-pod-rozhlednou.cz/img/file/kewokid.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/41b838e93a880b1ae6fa72be30531170/38149536679.pdfIn PDF document text
  • http://monthclean.com/uploads/files/202109060834425190.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=create+gpt+partition+diskpartPDF 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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