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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://imagebrandstudio.com/userfiles/file/3294855354.pdf In PDF document text

  • http://ranczowdolinie.com/files/litikexamojinabal.pdfIn PDF document text
  • http://gruppocaminiti.it/userfiles/files/tokipukavegeg.pdfIn PDF document text
  • http://rehahomecare.com/upload/editor/files/razixu.pdfIn PDF document text
  • http://shbaicun.com/userfiles/file/2021092204130473499.pdfIn PDF document text
  • http://webinaris.net/ckfinder/userfiles/publics/files/86025189371.pdfIn PDF document text
  • http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/14170826429.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/15293d004d3f2450d17229b42b2c9d91/fuzalobotem.pdfIn PDF document text
  • http://allineers.morefriendship.com/upload/files/47648846520.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161390d700bb55---89824349668.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/92jllc2iskb8b3g9lpf8n8msqo/32916984654.pdfIn PDF document text
  • https://aparcaderoshaddaichile.cl/uploads/images/files/70396329026.pdfIn PDF document text
  • https://emmaushuis.org/pages/8652683010.pdfIn PDF document text
  • http://techcessgroups.com/userfiles/file/66779100411.pdfIn PDF document text
  • http://unibox.lv/files/text/39514113035.pdfIn PDF document text
  • http://holland-ex.com/images/blog/file/52437396286.pdfIn PDF document text
  • https://www.smartfutureexpo.com/ckfinder/userfiles/files/xewabofez.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/xazadupigiwig.pdfIn PDF document text
  • http://mothertheresapublicschool.com/userfiles/file/52587421968.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/pexofuzajisedod.pdfIn PDF document text
  • https://briljant-maleri.se/UserFiles/files/83840510248.pdfIn PDF document text
  • https://equantumconsulting.com/files/files/25797642183.pdfIn PDF document text
  • https://hiperaktivite.info/userfiles/files/86695335296.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/eoaac59mu5n2i3v1cl4cksc7r0/sifutopajijafevelovitodu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=dating+sims+on+androidPDF 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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