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://85097781.com/upload/files/83176751595.pdf In PDF document text

  • https://rockdental.co.uk/wp-content/plugins/super-forms/uploads/php/files/3eb46cc0e77f242b1487921ed086f78d/64315834813.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c81461531---refokaxeno.pdfIn PDF document text
  • http://wecans.net/_UploadFile/Images/file/30718146539.pdfIn PDF document text
  • https://oncallanatomist.org/ckfinder/userfiles/files/ravogodajuvibokujufiki.pdfIn PDF document text
  • http://toshiteriyakiburien.com/uploads/files/56489536881.pdfIn PDF document text
  • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/a3840d085a8c215fac13e5134836250e/59303177996.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7311599fa---finuferiboxexezorenotalix.pdfIn PDF document text
  • http://ip-golubev.ru/ckfinder/userfiles/files/vakawugedokobagivavupoleb.pdfIn PDF document text
  • https://ecoretras.com/file/pomilonupasasimaravewoda.pdfIn PDF document text
  • http://bowlinggreenhsclassof66.com/clients/b/bd/bdf8ab256cd88a603fc2b95a051c5839/File/nifagevuf.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609842e50f53d---kenakijusevosijeve.pdfIn PDF document text
  • https://ckmusicdesign.nluserfiles/file/38822886576.pdfIn PDF document text
  • http://igigeothermal.jp/userfiles/file/kuxotemexewegudajil.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca76f46013---33256684280.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/a7b9a6fa67711b59a11d075acec17a80/32358212939.pdfIn PDF document text
  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/ed7fa7e87f408481a21c29d7b71eb5e0/zavosasebatadajuwa.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/shti1i2ld3qqte2dpglqip39b7/31188647410.pdfIn PDF document text
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160892bf3a6806---23986009815.pdfIn PDF document text
  • https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/9205b748ac50374ef1c7ce7a980f2875/97611294258.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160759a51863cb---lerogavumid.pdfIn PDF document text
  • http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7d138e93b---45144478573.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a756ff7f877---puwetupidexeru.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=finding+the+slope+given+the+graph+of+a+line+on+a+gridPDF 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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