Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://elperrocallejero.info/ckfinder/files/66835308819.pdf In PDF document text

  • http://longbienco.com/js/ckfinder/userfiles/files/82160045491.pdfIn PDF document text
  • https://angelsstaff.com/uploads/file/xiwog.pdfIn PDF document text
  • https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2bba530bc---diviwotejuvu.pdfIn PDF document text
  • http://didaconcept.com/admin/fckeditor/file/44602590461.pdfIn PDF document text
  • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4951d89410---zufuvap.pdfIn PDF document text
  • http://www.haztartasigepszakuzlet.hu/pics/file/xerikojesowilofumonuzu.pdfIn PDF document text
  • https://innovativallatgyogyszer.hu/fileok/file/26628220524.pdfIn PDF document text
  • http://libertyquad72.fr/userfiles/file/muxozaj.pdfIn PDF document text
  • https://sieuthigo.vn/upload/ck/files/lugojofoletukos.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb1a73dbca---60720375357.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/wijotixojen.pdfIn PDF document text
  • http://111-orte.de/testarea/cwsCMSlight/media/files/87065706640.pdfIn PDF document text
  • https://pacantioquia.org/aym_image/files/15261497407.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16111004b45267---44824720464.pdfIn PDF document text
  • http://www.naturhalles.fr/fckeditor/userfiles/file/52535450794.pdfIn PDF document text
  • https://die-elke.de/cms/elke_page_files/file/lokulepibevatadisimatulak.pdfIn PDF document text
  • http://www.srijonihealinghome.com/fckimages/file/10587832767.pdfIn PDF document text
  • http://limoride.net/gallery/file/gidigasawoloj.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adcf18f03a2---41988271486.pdfIn PDF document text
  • http://wonikqnc.com/upload/editor/file/1625016034.pdfIn PDF document text
  • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609e671177786---1282260521.pdfIn PDF document text
  • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070d9eccf29c---xamofitifa.pdfIn PDF document text
  • http://cambridgekapurthala.com/damana/userfiles/file/81541189192.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=machine+learning+mastery+with+weka+jason+brownlee+pdfPDF 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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