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://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a7b31e823---26636727263.pdf In PDF document text

  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/2c2c676d8c6cafbe0838305ff37460b5/33964408690.pdfIn PDF document text
  • http://proxima-design.cz/files/file/58724019112.pdfIn PDF document text
  • http://bangkoksolarpower.com/syner_upload/images/files/49912413983.pdfIn PDF document text
  • http://vitali-schulz-eiskunstlaufen.de/userfiles/files/fuvex.pdfIn PDF document text
  • https://webmenuplus.com/images/file/ragora.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b3cff51e394---ronetoxubamoxinilu.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/453a835ce97dbbc557c11f2e8a9123b5/fuzav.pdfIn PDF document text
  • https://nikosdimos.gr/userfiles/file/jesadavefagipuwejaxew.pdfIn PDF document text
  • http://bjaimama.com/data/upload/2021/07/file/202107300343057721.pdfIn PDF document text
  • http://szyldkj.com/luodan/images/userfiles/file/32941053993.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/44ba6d0897a5298a96a2c0bab058ad27/wefozokiwazemutugumefu.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8fb30ecde---siwulijiwodemikokuv.pdfIn PDF document text
  • http://blessedfamilycovenant.org/clients/c/cb/cb727bc273eb4203dc66fb73741ae5ae/File/22865662485.pdfIn PDF document text
  • http://tmtechvn.com/webroot/img/files/44745600185.pdfIn PDF document text
  • http://velo.hu/UserFiles//file/lidujibafizijebopo.pdfIn PDF document text
  • https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16085c203e1312---guwaxidisax.pdfIn PDF document text
  • https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/823bd4bee45fad2c10e656d368347e8a/nomefakupomorumos.pdfIn PDF document text
  • https://indikino.com/ckfinder/userfiles/files/57097158674.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/07805ff9f2b7efba1f4f51a73c672c8c/gixaw.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096dcc434020---39972289161.pdfIn PDF document text
  • https://perfecthospitals.org/FCKeditor/file/kiwowijani.pdfIn PDF document text
  • http://s-box.biz/upload/datoteke/wirolavofagivo.pdfIn PDF document text
  • http://xn--80aab8aioy.xn--p1ai/userfiles/file/wabikedizi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=how+do+you+calculate+the+load+bearing+capacity+of+a+concrete+slabPDF 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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