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 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://carnow.jp/js/upload/files/80622315627.pdf In PDF document text

  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c6aca9c4fe---xinuze.pdfIn PDF document text
  • http://koreaticketland.com/userfile/file/waruxomepineliril.pdfIn PDF document text
  • http://mxagproducts.com/upload/browse/file/21664466135.pdfIn PDF document text
  • https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/75193399578.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161512bd7e34a8---91610790870.pdfIn PDF document text
  • https://whiteplacard.com/UserFiles/file/33600609149.pdfIn PDF document text
  • https://etevent.itweald.com/uploads/files/6147db8de7355.pdfIn PDF document text
  • http://newgrids.com/userfiles/file/nofilixewevomevubulefepig.pdfIn PDF document text
  • https://ourguarantees.com/userfiles/file/12357450497.pdfIn PDF document text
  • http://abwingssuffolk2.com/uploads/files/1688852004.pdfIn PDF document text
  • http://pxmonastery.org/CKEdit/upload/files/92208410130.pdfIn PDF document text
  • https://catequesisnavarra.org/guiarte_userfiles/files/bexesarunobarilanupani.pdfIn PDF document text
  • http://prmakeup.com/Image/files/likepududo.pdfIn PDF document text
  • https://maffart-guy.com/userfiles/file/53940583354.pdfIn PDF document text
  • http://khachsansapa.vn/webroot/img/files/fesinefizadeki.pdfIn PDF document text
  • http://smolensk-bakaleya.ru/userfiles/file/89928432286.pdfIn PDF document text
  • http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/83252245423.pdfIn PDF document text
  • https://burlingame.com/wysiwygfiles/file/lolujaj.pdfIn PDF document text
  • http://quiltingacademy.net/fckeditor/userfiles/file/25547602799.pdfIn PDF document text
  • http://ellenia3.eu/userfiles/files/37507454318.pdfIn PDF document text
  • https://produccion.formacion2puntocero.com/ckfinder/userfiles/files/jazakeresadutixisoxet.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/da995257a7f319ba28a77d12d580a006/70222291649.pdfIn PDF document text
  • https://www.idd.no/ckfinder/userfiles/files/vozuzelupure.pdfIn PDF document text
  • https://onderdurdu.com/upload/ckfinder/files/29746321485.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=gta+san+ppsspp+downloadPDF 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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