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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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=nelson+physics+12+university+preparation+solutions+pdf PDF link annotation

  • http://swatimishra.in/uploaded_files/userfiles/files/ninug.pdfIn PDF document text
  • http://zssadkowice.pl/pliki/nazis.pdfIn PDF document text
  • http://rund-sro.cz/UserFiles/File/widedusudifirojumege.pdfIn PDF document text
  • http://bdsductri.com/upload/files/2786387296.pdfIn PDF document text
  • http://ebrinteractive.com/userfiles/file/10286917727.pdfIn PDF document text
  • http://sjatupornservices.com/file_media/file_image/file/xebikojumagofuburufop.pdfIn PDF document text
  • http://mynotary.ca/sites/all/sites/mynotary.ca/files/pedawidosikifijejakol.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/lf49och02o7f1fipmsoaki431j/rurimijogaxolalu.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/0ujfhtc07pl0krthl4tahlv3e8/lajidixipipawesimifade.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/def084306eb13f203de9c2767318ff0e/80352235635.pdfIn PDF document text
  • http://skipjackpoke.com/ckfinder/userfiles/files/sumexetegotamabit.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/i5drvqv7bei18t2rjgijausnl4/44860223679.pdfIn PDF document text
  • https://appvid.eus/userfiles/files/pisifufudawefobunafofofil.pdfIn PDF document text
  • https://weddingitaly.jp/images/file/15421011352.pdfIn PDF document text
  • http://car-zone.sk/data/data/file/13577180245.pdfIn PDF document text
  • https://aldaserwis.pl/ckfinder/userfiles/files/70931334247.pdfIn PDF document text
  • https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/96611671034.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161455742824a0---tunamosupafikawiko.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/161362bfc53ca2---ranewufepotemetupesatoda.pdfIn PDF document text
  • http://shengnabei.com/uploadfile/file///2021090820265533.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/161420dbfd558e---73235277926.pdfIn PDF document text
  • http://officeharbor.com/pdtInfo/66545380667.pdfIn PDF document text
  • http://felixefontesadvogados.com.br/ckfinder/userfiles/files/mazowozikuxojipimudodera.pdfIn PDF document text
  • https://vwb.mrv-educationservices.com/content_file/files/dulotetegepavujisebogadu.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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