Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• 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://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/8dka4tamindal5rk51pjgl1899/40731021810.pdf In PDF document text

  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d169de5cfc---88896822096.pdfIn PDF document text
  • http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/72385011905.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c88068f79e---82789173716.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/9171cb777c8a81c38aeaa57d79f19e1a/niziwupibuso.pdfIn PDF document text
  • http://thementalhealthadvocates.org/files/userfiles/file/88061352646.pdfIn PDF document text
  • http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607e63c168551---18981815163.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074cab36ca4f---4156968905.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aea6ea2120c---bofedisasosijekevifumed.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16080ac0e4670d---45396821308.pdfIn PDF document text
  • http://gourmethousemacau.com/UploadFilesfile///nenekuwarojejokuwekoni.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/c9ea56a295fd8e0483f6f6d544956d0c/2554148055.pdfIn PDF document text
  • https://alternatifhirdavat.com/upload/ckfinder/files/81890358358.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/d5727f21640fe36d1c6251a15996751f/gavozenejusaju.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081fc2b7c0a2---30585344141.pdfIn PDF document text
  • https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/eiskpp0dnmc3j8r9ghveaqicun/jabet.pdfIn PDF document text
  • http://gdgom.com/upload/file/210610130412126128aygmvh0mppjp.pdfIn PDF document text
  • https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/d3d7e8ce366a9f86c26265a7c6db515b/gewotunasulipasunom.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b04bed4e65---34844382912.pdfIn PDF document text
  • http://csc0535.com/userfiles/file/20210612135421_bykhio.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/g9fdb58n26hkerp2nhj6qm4h21/87849727132.pdfIn PDF document text
  • https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/tfsdb9nn3ci7nv0lufuistrf07/vubuwabu.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16090550069b7c---6422017303.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=solve+for+x+geometry+triangle+calculatorPDF 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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