Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://cructi.ru/uplcv?utm_term=resmed+sleep+apnea+machine+manual PDF link annotation

  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086e45774076---nekurovavusosugokogusagim.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160e52725542a4---sudizijiwevem.pdfIn PDF document text
  • https://gabconstruction.com/ckfinder/userfiles/files/79610016908.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c84f79b9ab9---8667867099.pdfIn PDF document text
  • http://lifemartrealestateconnect.com/wp-content/plugins/super-forms/uploads/php/files/4c2eovtngibjcsa71t7m4tqb03/vilamufu.pdfIn PDF document text
  • http://volkshilfe-ktn.at/images/content/files/8025267759.pdfIn PDF document text
  • http://yishiweb.com/upfiles/files/20210811_134305.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/s7r2m5eb16ghq3adfo7s4t04f3/jetimari.pdfIn PDF document text
  • http://imbirimbir.ru/files/zusofepefe.pdfIn PDF document text
  • https://gamma-electronics-eg.com/userfiles/files/kumasugumumunoxitidav.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/it6893qbuihs8686bd1of5fpe0/39874037150.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160efd6dca5d2a---10440686324.pdfIn PDF document text
  • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/6934694b154c5ecd34a54a40b62da2df/xelukizekusamasubimetoxi.pdfIn PDF document text
  • http://korsorlampang.net/user_img/files/vokekiwidexudomufajudot.pdfIn PDF document text
  • http://laiksmodalux.lt/app/webroot/uploads/userfiles/files/82238086106.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/c0f89c2e167b18917c373f9214b70cc8/mejezerojapib.pdfIn PDF document text
  • https://kompaspt2.com/contents/files/ziluroximikikovi.pdfIn PDF document text
  • https://allmassage.net/upload/file/20210525031324.pdfIn PDF document text
  • https://my-natural-style.net/upload/files/75551688498.pdfIn PDF document text
  • https://pbpkrosno.com/fckfile/zamosapoler.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae8bb49b4d4---7624316084.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/e3870a4d0e0b61ab3027591b7bae84d5/78818240019.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a598c2a5202---5914207752.pdfIn PDF document text
  • http://cambodiaangkorhomestay.com/userfiles/file/43804488214.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/26830064881.pdfIn PDF document text
  • http://studioscoponi.eu/userfiles/files/17929587147.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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