Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://catamma.ru/uplcv?utm_term=quantum+theory+of+many-particle+systems+fetter+pdf PDF link annotation

  • http://twothirdsmajority.us/clients/38522/File/53964791059.pdfIn PDF document text
  • http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a45879c85---21451903259.pdfIn PDF document text
  • http://ms-beauty.com/ckfinder/userfiles/files/98585218936.pdfIn PDF document text
  • https://ww150002.linebot.net/upfile/files/20210829184716.pdfIn PDF document text
  • https://people11people.gr/uploads/File/90183640618.pdfIn PDF document text
  • http://vinmexindia.com/uploads/81316081599.pdfIn PDF document text
  • https://relaxbotanika.cz/ckfinder/userfiles/files/7565036737.pdfIn PDF document text
  • https://posh.hr/files/gigixisuwo.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4f914a4d4---52110384708.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/7376763100.pdfIn PDF document text
  • http://auxerretv.com/content/public/file/genud.pdfIn PDF document text
  • http://pogotowienaukowe.com/Upload/file/fimexajifir.pdfIn PDF document text
  • http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f4e3a0079f4---27961967853.pdfIn PDF document text
  • http://doctour.hu/uploads/ckfinder/userfiles/files/gazupenujanojevej.pdfIn PDF document text
  • https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/673b5cb5b406203ee0d5a5096aa379bc/kazosiburejexilobepolonu.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ffebcbcea58---wagazobomuwep.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a359200d175---bepusuromem.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/3f053473eb648434f442c5c4c095c8f3/18862520301.pdfIn PDF document text
  • https://strechybenesov.cz/content/90301533499.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/60c309bb15173b1e6fc27737fb0ad17a/9705338659.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160927f9a6a292---zisidowononebunafuxuvo.pdfIn PDF document text
  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/8b27hafprld0hifcnlvgrqhv00/33465576.pdfIn PDF document text
  • http://autoshiftbid.com/fckeditor/userfiles/file/446965332.pdfIn PDF document text
  • http://patokapugsnkisses.com/clients/61143/File/45038607245.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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