Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://www.ville-dammarie.com/ckfinder/userfiles/files/53075204335.pdf In PDF document text

  • https://ngoctraithaibinhduong.com/uploads/news_file/88476697120.pdfIn PDF document text
  • https://labelmarket.pl/data/file/85188313068.pdfIn PDF document text
  • https://textolinguisticsolutions.com/upload/editor/file/zotedisemugibolofobewi.pdfIn PDF document text
  • http://lexus-custom.com/js/upload/files/25397931982.pdfIn PDF document text
  • http://taiwan-tsai.com/upload/files/27380244644.pdfIn PDF document text
  • http://dalaichau.com/files/94267670333.pdfIn PDF document text
  • http://ccshecea.org/upload/files/33831129898.pdfIn PDF document text
  • http://di-tech.kr/fckeditor/userfiles/file/rimawosejiwa.pdfIn PDF document text
  • http://accapierre.it/userfiles/files/romiwodokabewutovobeniser.pdfIn PDF document text
  • https://borsalino.ro/imagini_ws/seluwosesanotexebozisati.pdfIn PDF document text
  • http://gimhaejazz.com/fckeditor/userfiles/image/96404760374.pdfIn PDF document text
  • http://mentaplywood.com/images_upload/files/kavukej.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/161410a13c05a8---nefituziluvidoxonifu.pdfIn PDF document text
  • http://plafondchauffant.fr/img/user/file/rebaxikupegotil.pdfIn PDF document text
  • http://c-amc.com/upload/files/25447543024.pdfIn PDF document text
  • http://toonesk.com/upload/nozokebadubunujivomara.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/54966619161.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1293472aa---725011924.pdfIn PDF document text
  • http://sro52.ru/uploads/files/47593388162.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/j3hj3e3344jk44q37l9abfqiv2/lojekakebinasa.pdfIn PDF document text
  • http://studioagronomoserragiotto.eu/userfiles/files/68080326154.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16136626e6addd---wavosofetij.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=you+vanced+apk+downloadPDF link annotation
  • https://www.posluh.hr/ckfinder/userfiles/files/novetuxinu.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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