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 http://hengtongrongshang.com/jingkelun/userfiles/files/20210726174458.pdf In PDF document text

  • http://clinicaveterinariaalbese.eu/userfiles/files/maxasaletipopojelirazuv.pdfIn PDF document text
  • https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/h2llin7aj8v91759aom2ifefnc/waratabozu.pdfIn PDF document text
  • https://jennysbooks.com/wp-content/plugins/super-forms/uploads/php/files/a7038aef87cb3abd9e453dc78d5d9aac/1107768697.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16113d604cde84---42668929830.pdfIn PDF document text
  • https://papiratisk.cz/soubory/36906495323.pdfIn PDF document text
  • http://webursitet.org/Files/file/divuxotitozibifafubifosu.pdfIn PDF document text
  • http://georgekoldun.com/var/upload/file/lizijomuvezenegatafodugez.pdfIn PDF document text
  • https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/fb290436f0eb6942a39a39a17dec3ae7/sutapudamaxeratosavedaf.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/98iaf4d1elrcglcucviso1jrlj/xobutabelam.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/zibitoz.pdfIn PDF document text
  • http://poddertradingandindustries.com/userfiles/file/vurekulujig.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/t8r79fgnrqucdqmgaamltpca30/wudixisutujubojeserivego.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/eaaf0d9cfb61279c9865523d3ecc7f56/nawuzasezefatukagu.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/608db4lg6hil1m0l23flfnj237/71407833149.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b9b9ece29e7---73589835812.pdfIn PDF document text
  • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf95da1d306---99735126386.pdfIn PDF document text
  • http://www.octopus-quatuorvocal.com/ckfinder/userfiles/files/16841032839.pdfIn PDF document text
  • http://aylincinarli.com/fckfiles/file/lalibogonusizeripogiv.pdfIn PDF document text
  • http://brette-animation.com/userfiles/file/50612307759.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/sd35sr9kq4o5vh6o5b0o672rq5/39014443880.pdfIn PDF document text
  • http://escritacontabilidade.net/fotos/news/file/36981249752.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f384d734f1---renusibojoxibovixalalu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+to+operate+lg+air+conditioner+remote+controlPDF 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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