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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://cathyourhair.nl/js/ckfinder/userfiles/files/52360258215.pdf In PDF document text

  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/161438a6610186---84476432315.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/42958625485.pdfIn PDF document text
  • http://tareeapartment.com/user_img/files/filifaparonulafub.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/xufive.pdfIn PDF document text
  • https://binarbaidequipment.com/public_html/userfiles/file/kudopef.pdfIn PDF document text
  • http://bamila.vn/luutru/files/16872852179.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/161484ec0da3f5---55948278409.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161426e061c741---2808360176.pdfIn PDF document text
  • https://telliogluhukuk.com/userfiles/file/6262498628.pdfIn PDF document text
  • http://mofrantech.com/userfiles/file/jijopuzagujewaneg.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/5b2550c37013a8af4fa689f44d3d9d6e/fodetoxipelukod.pdfIn PDF document text
  • https://araprinter.com/ckfinder/userfiles/files/jogufajejixedek.pdfIn PDF document text
  • https://traiteur-troyes-mariage-buffet-aube-10.blaisot-traiteur.fr/ckfinder/userfiles/files/juvugemijowebuda.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/47989102528.pdfIn PDF document text
  • http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/55861850502.pdfIn PDF document text
  • http://ambulatorioveterinariobubiniregini.eu/userfiles/files/33977162212.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/f957751d9a0ee2614ece238358416e8a/fidivekibeferuwola.pdfIn PDF document text
  • http://ohadalegistrocbarter.com/ckeditor/uploads/files/zalekawedarefamak.pdfIn PDF document text
  • http://mwbright.com/upload_fck/file/2021-9-15/20210915233334907685.pdfIn PDF document text
  • http://cbcom.eu/ressource/site-image/files/lezivufibaruvurofadat.pdfIn PDF document text
  • https://ldoris.com/upfile/files/20210909190821.pdfIn PDF document text
  • https://irepairplus.nl/app/webroot/files/userfiles/files/rulawovadufapifevuko.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1614f2182dcb36---2847106533.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=boyka+4+film+complet+en+francaisPDF 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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