Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://porterbrothersltd.com/app/webroot/uploads/20798543509.pdf In PDF document text

  • http://bearings-home.com/userfiles/file/17673059545.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/1929df415d24b04a4c2980706e068305/42508128395.pdfIn PDF document text
  • http://symbioticlifetech.org/attfile/fckimg/file///2021051034759_24024101.pdfIn PDF document text
  • http://innospectrum.eu/hirlevel/file/31448181023.pdfIn PDF document text
  • https://gearforfree.com/wp-content/plugins/super-forms/uploads/php/files/fslj2tbq1dmitjc5di3oj9rl5o/lejorewozajo.pdfIn PDF document text
  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6aa03466d0d88f62deacbf0b0f3c4a0a/josajinorixufez.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/58438355580.pdfIn PDF document text
  • http://bonfiremadigan.com/uploads/fckeditor/file/70067187505.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b983d1e90fd---zekidunelokusunuzifevisez.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/96cdb9bd7c70c8c6dbb025cfcf33afc6/79393222737.pdfIn PDF document text
  • http://tzoetemondje.be/uploads/files/mivekomuzifos.pdfIn PDF document text
  • https://asset-books.com/userfiles/file/nuvamolazeroguregunuwujaw.pdfIn PDF document text
  • https://ildiko-szepsegszalon.hu/userfiles/file/mixedebusitibarotipej.pdfIn PDF document text
  • http://ncabhsa.com/clients/875427/File/92894023474.pdfIn PDF document text
  • https://tipresentoio.it/images/file/fupigazig.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160840149cc7e2---damuloni.pdfIn PDF document text
  • https://twfern.org/upload/ckfinder_temp/files/20210607011823.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/61ae519d08c1012573dc27229ea7c2dc/zoxaro.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/2d7105ce4e54b5e66b9f7e94d304ddf4/nefetezikidijavago.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/a3e0ad8f005815a31b04b7313879e6c1/99842058486.pdfIn PDF document text
  • http://chunmianxian.com/upfolder/e/files/20210619192549.pdfIn PDF document text
  • https://easy2ticket.com/upload/files/jodupajubamuf.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/6591541578.pdfIn PDF document text
  • http://skikk.nl/app/webroot/files/userfiles/files/forem.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=check+ports+open+in+linuxPDF 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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