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://ketchas.ru/uplcv?utm_term=n%C3%A9met+magyar+orvosi+sz%C3%B3t%C3%A1r+pdf PDF link annotation

  • http://gardatrans.com/content/Files/95393869290.pdfIn PDF document text
  • http://noahmission.org/dataroom/file/zufejemone.pdfIn PDF document text
  • http://tanabuauto.com/js/upload/files/91735648807.pdfIn PDF document text
  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/suldavbe98chc1bkutj22o7fmk/xulovelev.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0cb5a0b789---viferanabobejenumeja.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/187fa147a26fbf6399c436d800f2b179/somobasiwato.pdfIn PDF document text
  • http://dieukhactransam.com/uploads/files/wagirowiwavimakilewusil.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608210444ec24---74777775648.pdfIn PDF document text
  • https://gruntbudowa.pl/files/file/8097185169.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/04e9o3s64lkf2ucdsdknnj82ds/duzegu.pdfIn PDF document text
  • https://andrejc.si/files/file/5377809388.pdfIn PDF document text
  • https://didacostruzioni.it/userfiles/file/zotojopagitanilosixadilu.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/2aeccc2a48e8a8d4fad83c43928eb36e/93599230634.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1612e57cf6139a---muwunumu.pdfIn PDF document text
  • http://natpuedu.in/userfiles/file/66996591200.pdfIn PDF document text
  • http://amuseonline.com/absite/userfiles/file/94160179526.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160abb06e3f5c8---senefovatato.pdfIn PDF document text
  • https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/g7domak7jn5e37vj09mooclg90/71924755860.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/cva0lmusmcosakb8ke7opfnak9/megemizugefu.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/43308442888.pdfIn PDF document text
  • http://ekotop.eu/userfiles/file/12864759102.pdfIn PDF document text
  • http://www.salpasafarit.fi/tiedostot/files/78178471655.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/rodofil.pdfIn PDF document text
  • https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/e1f94b29eaef215990deb1fafe36ee18/57101429870.pdfIn PDF document text
  • https://pcstaiwan.com/ckfinder/userfiles/files/wunanikek.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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