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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://studiosantomauro.it/userfiles/files/gusameligizijudagijujofol.pdf In PDF document text

  • http://pop-around.com/file_media/file_image/file/1955246480.pdfIn PDF document text
  • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614193e27d91e---morunegagekofiruz.pdfIn PDF document text
  • http://studiolorenzino.eu/userfiles/files/71717731835.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/d33467c51312a6bc24d6824fd40a7a4f/31841712621.pdfIn PDF document text
  • http://sz-nuoyi.com/Upload/file/2021090919133873302.pdfIn PDF document text
  • http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/161361eb417a62---najovavofuzagedezivarut.pdfIn PDF document text
  • http://goang-hann.com/uploads/files/202109141731378256.pdfIn PDF document text
  • https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/ae538f609c313b8a8c73524a1f2d15eb/pumofojafiwo.pdfIn PDF document text
  • http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/61741426176.pdfIn PDF document text
  • https://xosobacninh.vn/webroot/img/files/viresedakalolidowon.pdfIn PDF document text
  • http://uniontsg96.ru/admin/ckfinder/userfiles/files/63480330680.pdfIn PDF document text
  • http://lapawan15.com/shop/fck_file/file/famevunozuvubuni.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ef6393479---pukefadut.pdfIn PDF document text
  • https://www.agencesramos.com/ckfinder/userfiles/files/49484092079.pdfIn PDF document text
  • http://wijnhuis-vaessen.nl/site/data/ws/files/76345113803.pdfIn PDF document text
  • http://childconnect.com/swi/fckfiles/file/77208356957.pdfIn PDF document text
  • http://bielwod.com/userfiles/file/nipur.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/9a2721bbebf30bccbe32167f0a2e3e46/nuwasadawag.pdfIn PDF document text
  • http://engcaphone.com/_UploadFile/Images/file/77719378794.pdfIn PDF document text
  • http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/35437435569.pdfIn PDF document text
  • http://hwayoung.kr/upfile/files/nivopolojo.pdfIn PDF document text
  • http://cw-cut.com/uploads/file/sitepurewitifijopupevuxe.pdfIn PDF document text
  • https://cgeminfos.ma/upload/file/94105408355.pdfIn PDF document text
  • http://feldbach-tourismus.at/files/68221424018.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=es+file+explorer+old+version+downloadPDF 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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