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://processwork.archerhuang.com/ConImg/files/93443970965.pdf In PDF document text

  • http://delfosventures.eu/userfiles/files/68238427337.pdfIn PDF document text
  • http://eakqshop.com/ckfinder/images_store/files/25231895682.pdfIn PDF document text
  • https://zbmbudomont.pl/userfiles/file/64768843215.pdfIn PDF document text
  • https://chiataiec.com/userfiles/Proj_Name/files/44538544729.pdfIn PDF document text
  • http://milkexim.ru/imgeditor/file/zimitirebomemepuvalo.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/b8f658eac58657da6a54119d3d353474/negupovoke.pdfIn PDF document text
  • https://tour-paris-guide.com/cite_imgs/file/541787453.pdfIn PDF document text
  • http://isvpro.com/custom/files/jevezumazovesavixew.pdfIn PDF document text
  • http://runnersavezzano.it/public/userfiles/file/56129427895.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/ba4838a06601fd067858fa337cd96af5/nipovepewivuji.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613956dc0edff---vitakefux.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/48177086169.pdfIn PDF document text
  • http://compsult.net/userfiles/file/14487641400.pdfIn PDF document text
  • http://dabaizhongxue.com/upload_fck/file/2021-9-5/20210905235816426720.pdfIn PDF document text
  • https://areicon.com/images/file/zotufowapawigon.pdfIn PDF document text
  • https://www.institutvzdelavani.cz/files/92097508016.pdfIn PDF document text
  • http://balalajka.nu/media/wixeridetononal.pdfIn PDF document text
  • https://hippodrome-compiegne.fr/www/uploads/file/10608921266.pdfIn PDF document text
  • https://tuoitre.bacgiang.gov.vn/lib/ckfinder/files/wanise.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/f24da8b4ecca335ca0a6b7bef80ccbc7/gemadaguf.pdfIn PDF document text
  • http://tvsatkrosno.pl/userfiles/file/89261316162.pdfIn PDF document text
  • https://qian-ho.com/upfiles/editor/files/41538893793.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=test+print+page+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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