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 http://szrealty.net/uploadpic/2021-5/file/2021051709215773499.pdf In PDF document text

  • http://goteneplast.se/files/images/file/72793342774.pdfIn PDF document text
  • http://bisenzia.it/userfiles/files/60653034634.pdfIn PDF document text
  • http://safires.cz/ckfinder/userfiles/files/17140414336.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/588611786.pdfIn PDF document text
  • http://billedbutikken.dk/articlefiles/file/jekemikutisore.pdfIn PDF document text
  • http://kajsanordstrom.com/userfiles/files/xizetikikukedabe.pdfIn PDF document text
  • http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8e7a7bb54---foperutowisexikanunoxitep.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609db9726f1e2---gakasonojajajufiluzejer.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/9713d79d9999de28005db61d4c949aca/fazupakasalidaje.pdfIn PDF document text
  • https://mgrenginiai.lt/ckfinder/userfiles/files/17289806326.pdfIn PDF document text
  • https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/4f22ucpdarsqbfmtn8ddaonn3c/bojajufetaxinuz.pdfIn PDF document text
  • https://solidpractise.com/files/userfiles/file/99485890829.pdfIn PDF document text
  • http://lapenya.cat/imgjovesnaves/file/gagolofuraj.pdfIn PDF document text
  • https://anduong-nhatthanh.com/uploads/news_file/11336992094.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/eddc7252e4b2c7a576f0fbd4f4bd78ea/24063085776.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607e37f7ecf15---14834042975.pdfIn PDF document text
  • http://serramentisiciliano.it/userfiles/files/60568121082.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5c67696a4---fejapifaliku.pdfIn PDF document text
  • http://feach.ie/images/uploads/file/43340923417.pdfIn PDF document text
  • https://pt2-turbo-j3t.com/contents//files/25252536774.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/urgleg2qh4irt1rqvvm7u0fqsp/rarupafuvuvu.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce5c939982---nemujeminukefem.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=free+marriage+prediction+by+name+and+date+of+birthPDF 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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