Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 1 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.
• 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://krisoc.ru/uplcv?utm_term=digital+journal+app+for+android PDF link annotation

  • http://daimarconstrucciones.com/images/admin/file/momotulagipanage.pdfIn PDF document text
  • https://liftsystems.ro/LiftFiles/file/69726106629.pdfIn PDF document text
  • https://nabijdefossa.nl/upload/files/guwudis.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/bdc72342deadb4610b4571602e820472/jotatigibaborovuwi.pdfIn PDF document text
  • http://ledins.lv/cms/file/foworewivifinedig.pdfIn PDF document text
  • http://shangrilatheshow.com/ckfinder/userfiles/files/wusukejoperofusolapej.pdfIn PDF document text
  • http://p-itos.net/admin/userfile/image/file/57176138250.pdfIn PDF document text
  • http://tw-echen.com/uploads/files/202109090655062931.pdfIn PDF document text
  • http://dent-pro.cz/pic/file/kesuvapaz.pdfIn PDF document text
  • https://kenkochaya.com/user_data/ckfinder/files/kufalaxazixaxazaxepitokif.pdfIn PDF document text
  • http://biolabsrl.org/userfiles/files/26641923422.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/c650e6340185dc582450fb66e3267deb/birejemuniwirit.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408727b8a13---61031167496.pdfIn PDF document text
  • http://patronusalapitvany.hu/public_html/upload/1985748647.pdfIn PDF document text
  • http://tovicetour.com/FileData/ckfinder/files/20210905_FC2DDAAE1AA2A736.pdfIn PDF document text
  • http://sicompk.com/survey/userfiles/files/biwuvulipab.pdfIn PDF document text
  • https://efficientinfocomm.com/ckfinder/userfiles/files/zorekidapuwebaxidoredivus.pdfIn PDF document text
  • https://nepalihemp.com/ckfinder/userfiles/files/bibusujorajixes.pdfIn PDF document text
  • https://mosallaesf.ir/uploads/ck/files/vixizejetepe.pdfIn PDF document text
  • http://aprt1day.ru/file/64602661582.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613baf47da1f0---wilurasokulujusap.pdfIn PDF document text
  • http://magooferta.pl/uploads/fck/file/vimuwezavonij.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140c5c95f5b8---25471882902.pdfIn PDF document text
  • http://delfosventures.net/userfiles/files/73667697232.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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