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.
• 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 https://nomylo.ru/uplcv?utm_term=waifu+idle+game PDF link annotation

  • https://www.aledrukujemy.pl/ckfinder/userfiles/files/74710522739.pdfIn PDF document text
  • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/0e85e44f6996ee26f557b7e8a4afe69b/49280335671.pdfIn PDF document text
  • http://boldogelet.hu/media/36270276449.pdfIn PDF document text
  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/85192578730.pdfIn PDF document text
  • http://nbc.ua/design/pic/file/sikuzarubavikafufakomib.pdfIn PDF document text
  • http://clinicaveterinariacene.com/userfiles/files/11786901749.pdfIn PDF document text
  • http://penzion-u-zamku.cz/files/file/65236332754.pdfIn PDF document text
  • https://cfi-registration.org/buzzboxgift/img/userfiles/files/68485311656.pdfIn PDF document text
  • https://gfwofficial.com/ck_imgs/files/51812414334.pdfIn PDF document text
  • http://kyochonbuenapark.iorderfoods.com/uploads/files/lelanojosotol.pdfIn PDF document text
  • http://as-eng.biz/userfiles/file/91017582779.pdfIn PDF document text
  • https://kitapkapla.com/upload/ckfinder/files/96843533515.pdfIn PDF document text
  • http://byty-pardubice.eu/UserFiles/File/87379031547.pdfIn PDF document text
  • https://newegys.egyseg.eu/ckfinder/userfiles/files/18353405424.pdfIn PDF document text
  • http://www.parkwaytransplant.com/media_upload/upload/files/68579626258.pdfIn PDF document text
  • http://tydafa.com/dafa/uploadfiles/20210913121050.pdfIn PDF document text
  • http://web-news.eu/www/pkpar/userfiles/file/xoxisut.pdfIn PDF document text
  • http://joyandwowbook.com/upload/file/50169751612.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/gosiwatuzukuzogodaja.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16142ee28ca869---berovawesubum.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/161412b85f31af---44677929315.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/8jopgt8ujso3o3s76bqrguu1d7/pozizegumax.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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