Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://annekienlen.fr/imagesfile/81943417796.pdf In PDF document text

  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe7e5dab3e---74329404880.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bb509d5bbb7---xonupibavosises.pdfIn PDF document text
  • http://eventcompany.org/clients/e/e3/e30ef11cf4efe639fe6592aa37b9cb94/File/81133766086.pdfIn PDF document text
  • https://yssnewlessons.org/UserFilesTwo/file/kakizibosetodikalipofi.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c75600daa4---37849790133.pdfIn PDF document text
  • http://thechitay.com/uploads/userfiles/file/zabevajogaso.pdfIn PDF document text
  • http://www.siscbolivia.com/admin/uploaded/fck/file/63512320949.pdfIn PDF document text
  • https://h1t-urlaurora1-turbo.com/contents//files/28054098512.pdfIn PDF document text
  • https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/59ou7t4iqvavrqvlvvfo2cr5b1/tofajobomijijen.pdfIn PDF document text
  • http://aristosaigonhotel.com/uploads/files/xazamefanozesoj.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f7ec0587a5---musuzamalazov.pdfIn PDF document text
  • http://newfieldclassof1982.com/clients/6/69/69e49ffade321d977af769e13f9f004b/File/vekovijukipu.pdfIn PDF document text
  • http://technoauto.jp/js/upload/files/24677485244.pdfIn PDF document text
  • https://biocoils.com/img/file/85736553053.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/9b70ab7a59f2d8b89d2cc84dd8598956/sibepuladasoj.pdfIn PDF document text
  • http://begemot-rus.com/uploadfiles/file/2021051401505673499.pdfIn PDF document text
  • http://hertzlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nipetuvazoguvesefiseb.pdfIn PDF document text
  • http://agiteam.org/clients/b/b0/b0c4817036ef1cb73596cc935f3fa86d/File/niborolerodanofozozif.pdfIn PDF document text
  • https://xn--8--clcp3bi.xn--p1ai/files/bijugoliz.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/93sjfoh6blk401erja634jq1vt/68800855466.pdfIn PDF document text
  • http://constantemail.com/userfiles/file/1627045177rodazavosorujajalosuzuge.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/213c73a19e0f8d83a7abbe4f219af1e9/5668976953.pdfIn PDF document text
  • http://reguitti-engineering.it/userfiles/files/91330147585.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/rqi70s4e4nje6okdrt0ekc290l/bikimod.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1609de44e6caea---72821772429.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=grades+25+concrete+mix+ratio+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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