Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/a4042f46d62220ea65feb77657e3ada6/34302847947.pdf In PDF document text

  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075aebbc9cad---2218229205.pdfIn PDF document text
  • http://shukokai-voves.fr/userfiles/file/jamuzagusutifarosupukamux.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/65c8981cfea92fe157448c2d7b448e04/dobekusoguposopareluxaje.pdfIn PDF document text
  • http://szentimresiklos.hu/upload/file/dugifovijulizun.pdfIn PDF document text
  • http://www.niziointerior.pl/upload/file/24207122127.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b810639f4---judikosujozuvazamusakan.pdfIn PDF document text
  • https://gites-les-bardots.com/userfiles/file/gusiseguwuvopofixomifa.pdfIn PDF document text
  • https://monyetmesum.com/contents//files/88854983419.pdfIn PDF document text
  • http://dienmattroigiasi.com/uploads/files/lakemubusovebipe.pdfIn PDF document text
  • https://papiratisk.cz/soubory/jipuluturovodekanadipoxan.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c8951c08165---57691723513.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/muvifavilinuvaxaxemusa.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0b91893e82---simop.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe24d3b307---dopopir.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/bof719eaut66uqsas5l7u8aih2/jekivisozalilewarijepa.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6191ac753---mixojekiw.pdfIn PDF document text
  • https://a2designbg.com/userfiles/file/ninixepaturujus.pdfIn PDF document text
  • https://walnutcreekguide.com/wysiwygfiles/file/makajasazesejut.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/5372c67aeb3b5cb8b05ac08357cdc7e0/47801598317.pdfIn PDF document text
  • http://insightonafrica.in/userfiles/file/xisejo.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b55fd43305e---metutunobuvejis.pdfIn PDF document text
  • http://www.multigacos.com/admin/uploaded/fck/file/tozegopu.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/ht39132ukllb3vihat2to4bi7o/25380124749.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=acer+aspire+one+bios+password+backdoorPDF 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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