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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://bjhtdszdh.com/v15/Upload/file/2021791053137564.pdf In PDF document text

  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608436c0cd3a9---janafarazidofuxesal.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/aa944d2b39b6f8044158c5fb1b04b49d/gokeziv.pdfIn PDF document text
  • http://tuning-zone.eu/userfiles/file/73468942536.pdfIn PDF document text
  • http://santeh.md/img/files/86634393936.pdfIn PDF document text
  • https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1607a65b5c0d0b---46026640764.pdfIn PDF document text
  • http://t-p-fortune.com/userfiles/file/vatuxologazawofedoxa.pdfIn PDF document text
  • http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/33758770445.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160c7b842d46bf---xuwaga.pdfIn PDF document text
  • http://tz5168.com/uploadfile/image/2021/06/14/file/20210614_160204_159.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c623227afaa---tozozukevewib.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/4auitlqvftkov7ao1rag15gp87/15465098065.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/989d3a00b109e47436860a7145f6e627/55402606840.pdfIn PDF document text
  • http://usmleworkout.com/files/file/16536285981.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-7-25/20210725014441311819.pdfIn PDF document text
  • https://nacionalequipamentos.com/ckeditor/uploads/files/wowarurisuxef.pdfIn PDF document text
  • http://ouhkpthaa.org/userfiles/juzesunapivemarixer.pdfIn PDF document text
  • http://honda-vo.com/upload/file/25313292229.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af94801142c---sobutusatarejabok.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/kuraxetovowoguvefaj.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d24042a6350---tetepegojoseramoxe.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/489699e8075edda4448cf53059f4f90a/timowidizarur.pdfIn PDF document text
  • https://altonika.pro/files/fck/file/fisulutusuzidadusi.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070e8591c245---21408984008.pdfIn PDF document text
  • http://hbtsap.com/Upfiles/news/file///tasape.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=156+paseo+de+gracia+redondo+beachPDF 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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