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://inwebjor.ru/uplcv?utm_term=e-business+e+economia+digital+pdf PDF link annotation

  • https://eledigitalpr.it/allegati/file/76436077547.pdfIn PDF document text
  • http://merklink.nl/site/data/ws/files/10904915103.pdfIn PDF document text
  • https://skvely-kup.cz/files/file/65552741959.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/ed065b50f4a34ae7bdf19c8d098c174f/60076114814.pdfIn PDF document text
  • https://vieclamday.com/userfiles/file/91029192631.pdfIn PDF document text
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/62680006202.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bcb2b8a482---xisip.pdfIn PDF document text
  • http://agro-vostok.ru/userfiles/file/jamitawuxejip.pdfIn PDF document text
  • https://erdemlerkoleji.com/resimler/files/zamukiwidifatixusa.pdfIn PDF document text
  • http://moriefrusca.com/userfiles/files/79409340342.pdfIn PDF document text
  • http://wskinbody.com/data/boardData/files/23649694418.pdfIn PDF document text
  • https://virtualpulse.eu/UserFiles/file/19227423260.pdfIn PDF document text
  • http://caycanh.vn/images/fck/file/83128906799.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/f5abf0deffac63552af9db07bfc6265d/54375223103.pdfIn PDF document text
  • http://benthanhsgfarm.com/images/uploads/files/51616782394.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/4e1530ed163115e78db0b10d6263bbc9/tasot.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/390069c046f9a8dc232cc76931503001/botirupade.pdfIn PDF document text
  • http://nbpcpentecostalchurch.com/clients/65183/File/tarojigidalejixilugab.pdfIn PDF document text
  • http://quimis.net/js/ckfinder/userfiles/files/64109136901.pdfIn PDF document text
  • http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160797919e5781---83025602477.pdfIn PDF document text
  • http://bscartridge.com/pic/zipuxobowisiz.pdfIn PDF document text
  • http://speckrepeg.by/UserFiles/files/bojamukakexekesawubi.pdfIn PDF document text
  • http://zonweringbelgie.com/ckfinder/userfiles/files/givedixup.pdfIn PDF document text
  • http://holzbau-napetschnig.at/mexuseporafonuximariz.pdfIn PDF document text
  • http://eyupsifalibitkiler.com/resimler/files/fomivel.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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