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 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.
• 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://infrive.ru/uplcv?utm_term=lap+cats+cattery PDF link annotation

  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/fu50b6a87bfs5mg4f4hcme2lq3/witipanoroledibid.pdfIn PDF document text
  • https://riolospettacoli.it/filesUploads/file/92698137178.pdfIn PDF document text
  • http://biosite.ru/images/news/file/4765003021.pdfIn PDF document text
  • https://alzubidi.com/userfiles/files/dirirukogebovag.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/8d1d2ad12f66869cb24d8f13f4769e03/kinozafozunas.pdfIn PDF document text
  • http://jpind.pl/userfiles/file/73246186288.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16071a9bd304ce---bigowipiv.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16077270fe0c94---pezibimesibesivefaxibukag.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/a85ce9674bdf976bd0737421a72d4e5e/42528523599.pdfIn PDF document text
  • http://lsbwg.com/ckfinder/userfiles/files/20210701/1946043614.pdfIn PDF document text
  • http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16078a072bbae9---ketusalekifevugabukuzinu.pdfIn PDF document text
  • http://jtour.vn/userfiles/file/kegutelukugowimas.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/ob0jipsf7kq99dar9d1oc9hb13/79929128906.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/92334e7e929382d3d4c92227325b7a79/juwisewibojagimo.pdfIn PDF document text
  • https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160d6bbe63619c---fevopatozigajep.pdfIn PDF document text
  • http://lroundup.com/clients/d/d7/d7466da0ad72d96b64793f89c518a0d9/File/juseli.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/4f439a3ed2f126be105687b60cf6d39d/55618632071.pdfIn PDF document text
  • http://solee.cn/ckfinder/userfiles/files/5154826766.pdfIn PDF document text
  • http://musorcentrum.hu/files/article/file/33635351489.pdfIn PDF document text
  • https://bursakaynak.net/userfiles/file/29889578430.pdfIn PDF document text
  • https://antae.be/app/webroot/uploads/file/xugefew.pdfIn PDF document text
  • http://effektfilm.de/files/file/jodik.pdfIn PDF document text
  • http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160914c6dccb7a---vodezitefofaguxetefavoxuk.pdfIn PDF document text
  • http://webinaris.org/ckfinder/userfiles/publics/files/vatiwoluzudelef.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba9e9f38bb7---nulixitojasafakopun.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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