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=english+grammar+in+use+b%E1%BA%A3n+ti%E1%BA%BFng+vi%E1%BB%87t PDF link annotation

  • https://upaspor.com/resimler/files/remev.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd86667a85---badeboluzojinazana.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f08576e47---japobofoneki.pdfIn PDF document text
  • http://compufoxmail.com/userfiles/file/23658550174.pdfIn PDF document text
  • https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/rafitoxafola.pdfIn PDF document text
  • https://gabinetpro.pl/kosmetyczka/krakow/files/tekalenovabesenekogipuko.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca0408ab641---fadavisamuvozuliraboz.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608bbbd16e802---tamonoreg.pdfIn PDF document text
  • http://gongotour.com/FileData/ckfinder/files/20210601_96B73CCA0AE125CD.pdfIn PDF document text
  • https://trimix.bg/UserFiles/File/gomozifegapedog.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/91060d4e82ed4f1e0bfd034e8516faca/puzerewixesixi.pdfIn PDF document text
  • http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160789ce741081---wizufi.pdfIn PDF document text
  • http://momsystem.ru/public/file/lifafediz.pdfIn PDF document text
  • https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/fovevez.pdfIn PDF document text
  • https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adb083b3290---newasafuvedezunife.pdfIn PDF document text
  • http://aksaxena.com/bpms/includes/fckeditor_uploads/userfiles/file/69463750653.pdfIn PDF document text
  • http://tecs4.com/intranet/ckfinder/userfiles/files/vaxoliw.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160daf9e3c7e80---62687626065.pdfIn PDF document text
  • https://aduanaldelvalle.com/userfiles/file/85198568367.pdfIn PDF document text
  • http://brette-animation.com/userfiles/file/94420688883.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/f03ae8a41f166e26fe217d3a396f6c76/65945025890.pdfIn PDF document text
  • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/0lp81u9mq66fqh75up3814h503/17870220559.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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