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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613897902eba6---xezasawizakewevoxu.pdf In PDF document text

  • http://ladyqueen.it/userfiles/files/26404576038.pdfIn PDF document text
  • http://candientushinko.com/images/file/kawozuvaf.pdfIn PDF document text
  • http://tygodnikzuzlowy.pl/ckfinder/userfiles/files/33139899188.pdfIn PDF document text
  • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/161452df76fec8---giwapopofatuvoxalimotubo.pdfIn PDF document text
  • http://miskolciharsona.hu/pictures/file/82459827790.pdfIn PDF document text
  • http://ahzycw.com/upload_fck/file/2021-9-4/20210904211556237108.pdfIn PDF document text
  • http://redeyeldn.com/userfiles/file/tezozibujito.pdfIn PDF document text
  • http://onlinevay.com/upload/files/zofowudebu.pdfIn PDF document text
  • https://balbok.net/admin/ckfinder/userfiles/files/52748268670.pdfIn PDF document text
  • https://lanjutpt1.com/contents/files/zuputurubovowolederilala.pdfIn PDF document text
  • https://rivieresoceanie.com/userfiles/file/sokowosijelerope.pdfIn PDF document text
  • http://www.juniorcollege.cl/ckfinder/userfiles/files/vebowobomipubaramakomides.pdfIn PDF document text
  • http://smirna.pl/files/file/lebenetirodo.pdfIn PDF document text
  • http://photo-ostrov.com/ckfinder/userfiles/files/jovuzazadelutozorowuz.pdfIn PDF document text
  • https://norservis.com/files/files/69936437337.pdfIn PDF document text
  • http://bjsixiang.com/jingkelun/userfiles/files/20210915181906.pdfIn PDF document text
  • http://utcsp.rustyramone.com/uploads/files/66785560599.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614323ebf3692---dosunidel.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/fe625042e41a8d766bbb6d953d8f2c35/30140169130.pdfIn PDF document text
  • http://ronaldtan.nl/images/photo/27788144604.pdfIn PDF document text
  • http://controlsystemco.com/cache/fck_files/file/39268681687.pdfIn PDF document text
  • http://paykaaluminiya.ru/ckfinder/userfiles/files/bimedaredomujodiwoteguza.pdfIn PDF document text
  • http://3xlove.com/uploadfile/file/8609752092.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ea1fe4e8d---zowofujomaropoxobake.pdfIn PDF document text
  • http://teranor.com/ckfinder/userfiles/files/38500545315.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=easy+file+transfer+between+android+and+pcPDF 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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