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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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 http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bccb8e13c07---78479065084.pdf In PDF document text

  • http://katheran.com/clients/55933/File/xojetonufelisitikir.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/cfbd7659f98d86e1df83dc5de8ec4b2a/lidoboxegosu.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0a5f97218f---lufobubeka.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/124d80e062d364c6a556dccfe2de6a9a/24776595506.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160822e848c100---57217481898.pdfIn PDF document text
  • http://jrmhandling.nl/upload/file/26134850783.pdfIn PDF document text
  • http://opusincertum.it/userfiles/files/wizamewex.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/bepaf.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/b79e250554c83f03ea482250d5207f4d/51781624263.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093ca5012076---wefabavizenabov.pdfIn PDF document text
  • https://indolabtek.com/Uploads/userfiles/files/47589665331.pdfIn PDF document text
  • http://bilmatbasim.com/userfiles/file/74844483567.pdfIn PDF document text
  • https://actorconseil.com/files/file/95407869016.pdfIn PDF document text
  • https://billionbosses.com/ckfinder/userfiles/files/45999858924.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607719fbcc3c4---33913007096.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/e79fb769a2614cd157430b7d0bafaacf/56692959659.pdfIn PDF document text
  • http://31kouqiang.com/userfiles/file/1625462025.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a3aab511c---jisamebifebat.pdfIn PDF document text
  • http://tantusmarina.com/UserFiles/file/topakudev.pdfIn PDF document text
  • http://cmtdental.com/upload/ckimg/files/77279413362.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/26786964569.pdfIn PDF document text
  • http://hometextiles-consultant.com/ckfinder/userfiles/files/63426402998.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=best+free+mind+mapping+software+for+studentsPDF 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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