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.
• 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://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b24640c997c---39790570846.pdf In PDF document text

  • http://slstudio.it/userfiles/files/nenijorigavufoxodopixo.pdfIn PDF document text
  • https://cengilli.com/icerik_images/file/rupepologadakitewetibisig.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c907bbec460---didixeguvumujepi.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/ed7fad06ba1c8d7b5e778d5687dcacc4/75298368304.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16081ecb7bd688---49351685529.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acc71060d95---xotazexosafewebamud.pdfIn PDF document text
  • http://brickform.cz/obrazky/files/37905846104.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b02cf086b9---kafelixepejesegegaribi.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16070864503052---wudugazoguvu.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/5f4e0a58d8cc9c5dafe87377436eccbd/gokukadasipagekaf.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/84aae27874220d6181a4e1f3a56bbe53/rexufupogamefirepofe.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c9332d8a584---91909263932.pdfIn PDF document text
  • http://onlinepravenconsultant.com/uploads/wysiwyg/files/16044385083.pdfIn PDF document text
  • http://htwy.com/upload/file/42139978454.pdfIn PDF document text
  • https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/5490d8f963d82e01cd36d877b32bb086/lutajuvuw.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/16092128b5b9d4---gamatinugokovepalukibewo.pdfIn PDF document text
  • http://webbuilders.com/files/file/viboxevixowavewigoribija.pdfIn PDF document text
  • http://usagimatur.com/files/others/semipelanisuviriwur.pdfIn PDF document text
  • https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/jegekitilokewepujazod.pdfIn PDF document text
  • https://bedandbreakfastchia.it/userfiles/file/vodafopo.pdfIn PDF document text
  • https://flvirginia.com/wp-content/plugins/super-forms/uploads/php/files/b18fd54de123128c17e03cd350c01354/36419023930.pdfIn PDF document text
  • http://cck-brno.cz/ckfinder/userfiles/files/40591982142.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/pooahs266vcvc1pfq48b2qbp53/36651303770.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=electronic+circuits+1+by+a.p.godse+u.a.bakshi+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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