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://huntic.ru/uplcv?utm_term=e1+e2+e1cb+elimination+reaction+pdf PDF link annotation

  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e6056ec3a---38301636466.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/40463669974.pdfIn PDF document text
  • https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/3932480a88907b4d6316245e63d37f80/dodadawi.pdfIn PDF document text
  • http://sotel-perm.ru/site/file/12934920692.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16093ad8aaafd1---89893530253.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/5hf59qasa7s8s2b520g9i8ir4b/66393975766.pdfIn PDF document text
  • https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078c01308c37---96377801061.pdfIn PDF document text
  • https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb7c92696b---judadulatib.pdfIn PDF document text
  • http://shihtzufurbabies.net/clients/d/d3/d383cf0c90cf2d2391705d5438694b4c/File/pibiwubuxejela.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/he4n80dj5kce2k6rm64n7h1i91/55541955855.pdfIn PDF document text
  • http://challendor.com/fckeditor/upload/file/29146430203.pdfIn PDF document text
  • http://anapharmata.hu/ckfinder/core/connector/php/files/234016829.pdfIn PDF document text
  • http://riskhedgetech.com/uploaded/file/6012120406092dc45d9148.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/44340460026.pdfIn PDF document text
  • https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609e182349d80---39113582089.pdfIn PDF document text
  • http://the100voicesofgospel.de/fichiers/newsletter/file/kidafurato.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d72b43849---41741459614.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/880culig1adqdikvllbe4qii4i/firoritarakudajujax.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16110f851134a8---40519600269.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160778f747d1f3---joboberuxegebuperokunowo.pdfIn PDF document text
  • http://tokyoracing.hu/userfiles/file/nebotedaxij.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607059b04ec9d---refokepusomepapoliladofij.pdfIn PDF document text
  • http://cokhixnktientien.com/Images_upload/files/62324532569.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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