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 http://sgyscom.com/upload_fck/file/2021-7-26/20210726012917301019.pdf In PDF document text

  • https://fullhousetourism.com/UploadFiles/file/20210519055903170.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/503f0561adbff0ad63481ee4015b5a9e/41133619735.pdfIn PDF document text
  • http://alhouti.com/userfiles/file/22494061075.pdfIn PDF document text
  • http://gatewayhotelbangkok.com/upfile_hotel/files/80348656148.pdfIn PDF document text
  • http://elm3rad.com/file/xugegumedewegosabojusexe.pdfIn PDF document text
  • https://voxel-avocats.fr/uploads/file/In PDF document text
  • https://carrieres-pierre.com/userfiles/file/memekudegivutixato.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/xoritutuwoladuwodifonexob.pdfIn PDF document text
  • https://www.andreivieru.com/ckfinder/userfiles/files/86827224837.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/jbqk87pkf7f0fpd9u3je31gtj2/82861415743.pdfIn PDF document text
  • http://woori-tour.kr/FileData/ckfinder/files/20210625_843984BA8A7C7398.pdfIn PDF document text
  • http://drapikowski.pl/uploaded/fck_files/file/29418189643.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/66964523015.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/fvl51ij1lkoadalhlhgptjduh6/saritubuvuxopimer.pdfIn PDF document text
  • http://saptpadi.com/files/file/75276484777.pdfIn PDF document text
  • http://tajeer.co/userfiles/file/53092744908.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079db20683a6---74433910282.pdfIn PDF document text
  • http://stellar-toys.com/ckfinder/userfiles/files/moduvadusixoluf.pdfIn PDF document text
  • https://newtech-utm.pl/userfiles/file/43061152302.pdfIn PDF document text
  • https://funbugs.ie/files/file/botujulipilovikajuwor.pdfIn PDF document text
  • https://allmassage.net/upload/file/20210618092409.pdfIn PDF document text
  • http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607254758c220---73774111822.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/614f56f85610192ddb2038c36886beec/gaxiru.pdfIn PDF document text
  • http://self119.net/upload/userfiles/2021/07/files/210710202239.pdfIn PDF document text
  • https://lawina-radom.pl/files/file/gemifopekabijazera.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=in+the+so+calledPDF 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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