Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://pistant.ru/uplcv?utm_term=activities+worksheets+for+grade+1 PDF link annotation

  • https://pasarangroup1.com/contents/files/91377099451.pdfIn PDF document text
  • http://bona-agra.pl/Upload/file/zezuvuzanobe.pdfIn PDF document text
  • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/vrkfjo233a7uko5obffs31cbb4/limokikapaxepoxemefe.pdfIn PDF document text
  • http://savaksangida.com/resimler/files/29234666615.pdfIn PDF document text
  • http://tischlerei-schlusche.de/sites/default/files/file/29663396832.pdfIn PDF document text
  • http://cserepakcio.hu/xdata/file/29320966263.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/666b80a3a9229ec8a6509aff78d69f74/52910744486.pdfIn PDF document text
  • https://dom4m.by/userfiles/files/70442108227.pdfIn PDF document text
  • https://netiko.ge/img/Data/file/85277432289.pdfIn PDF document text
  • http://thayloilocnuoctaihanoi.net/upload/files/44540309825.pdfIn PDF document text
  • https://abhimaninteriors.com/ckfinder/userfiles/files/susuduwujujomukata.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137aa633e168---gekanavezafobesugux.pdfIn PDF document text
  • http://laibros.com/ckeditor/userfiles/files/dudibeganibi.pdfIn PDF document text
  • http://matras-devison.com/upload/file/kezik.pdfIn PDF document text
  • http://bangkokmagnetwire.com/ecodev_test/image_system/files/56230452921.pdfIn PDF document text
  • http://ct-tci.com/cttax/userfiles/files/fiwefi.pdfIn PDF document text
  • http://savytrading.com/userfiles/file/56616912081.pdfIn PDF document text
  • https://chsins.tw/uploads/files/202109011649276735.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/97274621216.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/cd24659e0f7761851e8207a46984fcb6/wugosasiguzaxepupesaxi.pdfIn PDF document text
  • http://bephoangdung.vn/uploads/ckfinder/files/40642995426.pdfIn PDF document text
  • https://noelex22.org/userfiles/file/kajuvidafosemefa.pdfIn PDF document text
  • http://torremaggiore.sitmap.it/files/files/32833783537.pdfIn PDF document text
  • https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/65cb1fa0063601ab93343f25e099baea/pibewojew.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302e7d88513---tadeteserapunexumutim.pdfIn PDF document text
  • https://cafeau1ait.xyz/js/ckfinder/userfiles/files/sodupafip.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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