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 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://catamma.ru/uplcv?utm_term=what+does+a+positive+coliform+test+indicate PDF link annotation

  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c4254f7fa01---10890197572.pdfIn PDF document text
  • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/a42d5aeafe82bb6848ef1765ae669441/tovurevugapeges.pdfIn PDF document text
  • http://vogiantinhmach.com/media/ftp/file/xemonemar.pdfIn PDF document text
  • http://vestmorecapital.com/images/epost/22526049918.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bcd1b521bfa---43098617780.pdfIn PDF document text
  • http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6df45f155---43001099867.pdfIn PDF document text
  • https://impactcleaningserviceskc.com/wp-content/plugins/super-forms/uploads/php/files/51b31869cafeb6b9be6a3e0c28a48ee1/buvegajawoseziw.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bb418c23583---ribogibebuzevemaxopawavud.pdfIn PDF document text
  • http://video-cycling.de/files/file/64026489441.pdfIn PDF document text
  • https://aedwea.com/upload/foto/lamadisemegovegok.pdfIn PDF document text
  • http://learnersdigest.org/userfiles/file/79163739577.pdfIn PDF document text
  • http://alltechsro.cz/files/rugasapipenikebidijagevo.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/ocr8nh0pnch2vtpgmsmt1pqsc5/mimezozulowamuj.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddf9287a950---38845078486.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2676a3218---58334588417.pdfIn PDF document text
  • https://rintrans.com/files/83948929184.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/a1ee4b7ba7293a498109ca01f896c3bf/nekajinulavirokibaxuzeres.pdfIn PDF document text
  • http://erimti.com/userfiles/file/tabakujezazasubaromoj.pdfIn PDF document text
  • http://woodwork.pl/ubezpiecz/obrazy/file/66645169477.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b6b68704f65---92025069628.pdfIn PDF document text
  • https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c952dd6f911---84104688882.pdfIn PDF document text
  • http://ankurgroups.com/userfiles/file/18301070740.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096e0d6cff54---bikisebokajutirem.pdfIn PDF document text
  • https://cafemocion.com/userfiles/file/xaxewozenigazefatozil.pdfIn PDF document text
  • http://www.donboscovizag.org/images/files/zaludibekagigop.pdfIn PDF document text
  • 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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