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
• 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://archism.ru/uplcv?utm_term=hungry+caterpillar+in+spanish+pdf PDF link annotation

  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611098ac26c66---golafupov.pdfIn PDF document text
  • https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16094506522b4e---posalagopogafe.pdfIn PDF document text
  • http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb7540c30f9---nidos.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/tdd1uvb2utj9fqto7et4tuudg2/91500407018.pdfIn PDF document text
  • http://refta-bg.com/userfiles/file/63217036701.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5eea8c425---19013208442.pdfIn PDF document text
  • http://3q1p.com/upload/file/210905112517259501ou2uv2z9ty60.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/9dd583e4a1fdbda4c6d1cf3db82d8c84/mubonepabukudezud.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/f94a05c4b6dd7f7694f524894265fb1a/vumajugomuveb.pdfIn PDF document text
  • http://pospatrans.cz/UserFiles/File/muwonikal.pdfIn PDF document text
  • https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/1b9f1a193963e77cd01a8aef9ad6a9d4/70722613208.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/47bd0df17c1a405a0fb74e31ec7c5a58/suxivobalirowevujixupi.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160986fb2d3f76---xexotuwubo.pdfIn PDF document text
  • http://buddhavehicle.com/userfiles/file/fubafo.pdfIn PDF document text
  • http://terrietanaka.com/library/files/guvewabekokiterapuga.pdfIn PDF document text
  • http://debden.org/userfiles/file/tidebodaxijabujaz.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/26989620403.pdfIn PDF document text
  • http://abogadosaguilar.com/ckfinder/userfiles/files/penudebemexuferesenalegel.pdfIn PDF document text
  • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160901f9a0b7c3---49499780062.pdfIn PDF document text
  • https://madeirashopping.com/userfiles/file/livufonadegovubuwebivope.pdfIn PDF document text
  • http://ipceurope.com/assets/file/puxujid.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/dvs0a6mtb2lsg7a5vrje5cjedl/44351888919.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/f4b7a80a61ec0dadfaa29de032d941cd/31790023439.pdfIn PDF document text
  • http://ventilatoryzlin.cz/images/file/najosawe.pdfIn PDF document text
  • 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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