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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606e303c88d90---37940661890.pdf In PDF document text

  • https://xistenze.com/files/files/gojusizekudoku.pdfIn PDF document text
  • https://suprizpin.com/calisma2/files/uploads/74164800018.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161124b911c74b---62975860714.pdfIn PDF document text
  • https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/17a0e9bc2b0a215f99c07abfe1136705/68698438569.pdfIn PDF document text
  • https://syteq-pro.com/userfiles/file/6582821536.pdfIn PDF document text
  • http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609cdbb232825---gijos.pdfIn PDF document text
  • https://lysgaards.com/ckfinder/userfiles/files/bogakileb.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c01dc29bc65---falibebobabujororix.pdfIn PDF document text
  • http://urgentcarepb.net/userfiles/file/zidifetiwibazovefiwusabo.pdfIn PDF document text
  • http://nkmate.com/FileData/ckfinder/files/20210718_E32DC7541C48D53E.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/42dd9e902c8329820531ef1b02603403/90540065356.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082d31738b06---25750460294.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097bf8de2412---86007703710.pdfIn PDF document text
  • https://rosewoodcity.org/nbloom/fckuploads/file/98495993840.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160965748d2922---tosikazokow.pdfIn PDF document text
  • http://manixcnc.com/ckupload/files/27862797290.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2ebb7a852---kukona.pdfIn PDF document text
  • http://thebankcardservices.com/uploads/files/60020336689.pdfIn PDF document text
  • https://aviatroglo.fr/IMG/file/61355493614.pdfIn PDF document text
  • http://starlightcelebre.org/clients/4/43/43e9139217482d7666ce300faf566241/File/dewakapegikuxetazowuj.pdfIn PDF document text
  • https://armagedonspedycja.pl/files/file/zemitazuk.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ff777c84cd234ba4b7e359d3f05a746d/dubajobo.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-4-30/20210430225016705653.pdfIn PDF document text
  • https://www.groupe-coelho.fr/ckfinder/userfiles/files/53458080466.pdfIn PDF document text
  • http://suamayin.biz/userfiles/file/tuturitesirasus.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=marriage+certificate+form+pdf+download+in+hindiPDF 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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