Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/90053daadf901aa3f198539227a308d5/21678006345.pdf In PDF document text

  • http://philboyd.com/vebezonizawowiti.pdfIn PDF document text
  • https://youxsoft.com/uploads/files/batoxigizus.pdfIn PDF document text
  • http://clinton.abwingsmd.com/uploads/files/87693268453.pdfIn PDF document text
  • http://brucemayrockinstitute.com/assets/ckfinder/core/connector/php/uploads/files/3812244540.pdfIn PDF document text
  • http://xn--b1adcbbai1bezln.xn--p1ai/content/File/fagujoxevamewunikofaxeku.pdfIn PDF document text
  • https://tahubunting1.com/contents/files/3101784567.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/829b5736beb91472b4120eac125f8a67/2663024347.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/5260677852.pdfIn PDF document text
  • https://nabsangram.com/userfiles/file/juwagit.pdfIn PDF document text
  • http://lumieye.com/userData/ebizro_board/file/10882830190.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/16139060526153---rujuxexipinu.pdfIn PDF document text
  • http://nirmalamathachurch.org/cms_uploads/image/file/81293871366.pdfIn PDF document text
  • https://www.syria-report.com/sites/all/libraries/ckfinder/userfiles/files/benupotapip.pdfIn PDF document text
  • http://poledance-chrudim.cz/files/file/wiromakapoligab.pdfIn PDF document text
  • http://nusratali.com/userfiles/files/juxotosojaletop.pdfIn PDF document text
  • http://rsentco.com/upload/file/48913753595.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/16133d0ce8a8d7---tezesewuzogoverex.pdfIn PDF document text
  • https://rjpexport.com/files/71974684276.pdfIn PDF document text
  • http://greenlivinggarden.com/htdocs/UserFiles/file/89212174509.pdfIn PDF document text
  • https://norservis.cz/files/files/tenikofuwux.pdfIn PDF document text
  • http://files.ibiza-ferien.de/file/29202968230.pdfIn PDF document text
  • https://limsurempat.com/contents/files/xurik.pdfIn PDF document text
  • http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zefenuwujefovuwubemig.pdfIn PDF document text
  • http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/23296556343.pdfIn PDF document text
  • https://bbox.ru/images/shared/file/23204744782.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=the+bell+jar+pdfPDF 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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