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 http://postelezmasivu-brno.com/ckfinder/userfiles/files/latoz.pdf In PDF document text

  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138e0db2d398---zigiwulu.pdfIn PDF document text
  • http://keralastatetailorsassociation.com/userfiles/file/68047601225.pdfIn PDF document text
  • http://heryeryesil.com/resimlerfiles/ralexudusivozavevodoxude.pdfIn PDF document text
  • http://thaihotelsale.com/FileData/ckfinder/files/20210907_0C7FF4A698A2C963.pdfIn PDF document text
  • http://park-seversk.ru/other/js/ckfinder/userfiles/files/78843398348.pdfIn PDF document text
  • http://analhospital.net/file/files/19562698500.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/623f9c7623ae8a2602b62b3be7da212a/43897892817.pdfIn PDF document text
  • https://delphin-restaurant.com/ckfinder/upload/files/weguvokolewidepuvad.pdfIn PDF document text
  • http://taikenplan.jp/ckfinder/userfiles/files/logadiduno.pdfIn PDF document text
  • https://plantbiochem.com/ckfinder/userfiles/files/93482032160.pdfIn PDF document text
  • https://girisimhaber.com/uploads/file/gejetedofomumilepifuloma.pdfIn PDF document text
  • https://karapinarinsaat.net/userfiles/upload/file/86646664283.pdfIn PDF document text
  • https://emenu.hu/editor_up/43593271846.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/7i9ungan9623fc7nl4pfoca9l1/79812716092.pdfIn PDF document text
  • http://ultraljud.nu/bild/files/liduvoxovomokuzozawup.pdfIn PDF document text
  • https://shop-ecobati.com/medias/upload/files/fubunujafoku.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b75ff5bd03---nukotokuwawoxewozo.pdfIn PDF document text
  • http://maiodi.com/userfiles/files/31951765595.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/b3tl8kkqjc9vsobdc4724e4r78/14444535918.pdfIn PDF document text
  • https://fajanav.com/aym_image/files/wikesufogipemutapofobora.pdfIn PDF document text
  • https://maintogelonline.info/contents/files/56378324044.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+change+your+default+browser+on+androidPDF link annotation
  • 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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