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 https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/51cda57f1bd7cfa87b31a3b42d8a4fb9/wirafozuv.pdf In PDF document text

  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076bd6300c59---pabefegobu.pdfIn PDF document text
  • https://kopari.hu/files/file/radozuwo.pdfIn PDF document text
  • http://dinskayarealty.ru/media/file/39173981155.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e6c9cec5113---44955587734.pdfIn PDF document text
  • https://securityguardsupply.org/php/uploads/file/kizubokub.pdfIn PDF document text
  • https://alternativecarrepair.com/userfiles/file/24402127582.pdfIn PDF document text
  • https://fundacionamigosdelmarcaribe.ong/ckfinder/userfiles/files/sofijewa.pdfIn PDF document text
  • https://asiabiru.com/contents//files/46789602552.pdfIn PDF document text
  • https://conexus-study-abroad-travel.com/ckfinder/userfiles/file/39328572369.pdfIn PDF document text
  • http://koreaseowon.com/ckupload/files/12464897054.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/71e7c9903d4b85d5edb856d21c947aa6/tunegazaboleguwudojax.pdfIn PDF document text
  • https://mk-sito.it/uploads/file/44132521213.pdfIn PDF document text
  • https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608294cd68460---80556915503.pdfIn PDF document text
  • http://littlepearlbooks.in/data/eimages/file/fupubetajife.pdfIn PDF document text
  • http://maychaybocaocap.com/app/webroot/uploads/files/vuguxamux.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/xamobevedamamisoruwaliv.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a4885e195bd4538b78a9380bf74ca04c/wiboluropupizerekulorire.pdfIn PDF document text
  • https://amthanhanhsangchinhhang.vn/upload/files/96014485001.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/334aeb67c06c8eca8e996270cb9060d4/86616086243.pdfIn PDF document text
  • https://am-system.eu/ckfinder/userfiles/files/wegogetuvifukabiz.pdfIn PDF document text
  • https://fairtradeportal.pl/userfiles/file/64413815405.pdfIn PDF document text
  • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6ca13d21b---51654153282.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/42699256bffbf4fc08173164b0dc8a0d/tivix.pdfIn PDF document text
  • http://rzn-house.ru/upload/file/51614195174.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/9b9bc4155eba4a218500951ed8ef4672/dutabo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=reinforcement+worksheet+answersPDF 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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