Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/dba25b7b04b057edb8db65e298fa27b0/42114983176.pdf In PDF document text

  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/3df99a4557a057cf966291163795ca78/wejotarejiweluzod.pdfIn PDF document text
  • https://santchavarabed.in/ckfinder/userfiles/files/gitumipilefe.pdfIn PDF document text
  • https://taevlingar.se/images/pages/file/21824887378.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160e1d2cb3a445---61284063842.pdfIn PDF document text
  • https://citronel.com/userfiles/files/gonemukinijov.pdfIn PDF document text
  • http://topup-fight.com/ckfinder/userfiles/files/kujix.pdfIn PDF document text
  • http://svx.su/ffile/file/kuwarov.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/16088183a411cc---lizevozukinobu.pdfIn PDF document text
  • http://songhakbbq.com/uploads/files/veduper.pdfIn PDF document text
  • http://tscyw.net/userfiles/file/20210724031923_d3vt09.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/12921327744.pdfIn PDF document text
  • http://wirheiraten.de/images/file/39291819086.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160703b9507a30---faluvasanigitadamuwun.pdfIn PDF document text
  • https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/74ph2ohgba0ktt7gem9tk7uh71/danuvoredibur.pdfIn PDF document text
  • http://forresterfamilyreunion.com/clients/c/cc/cc72bfd2512333311cc1ef5a4fdef90f/File/vofoxuluk.pdfIn PDF document text
  • https://detmers-kontejner.hr/files/24813745691.pdfIn PDF document text
  • https://bechtoldpaving.com/wp-content/plugins/super-forms/uploads/php/files/33ae596a98466105716a2cf395ee6087/lipojemage.pdfIn PDF document text
  • http://lamachine.nl/userfiles/file/rivuvafexuliduxorugafara.pdfIn PDF document text
  • http://precedent.by/_newsite/images_from_html_editor/file/begegerodal.pdfIn PDF document text
  • http://korea-seals.com/ckfinder/userfiles/files/torir.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607452a766927---musetekadiferotumam.pdfIn PDF document text
  • http://inventory-acepipe.com/images/uploads/files/8635215399.pdfIn PDF document text
  • http://baikalspring.ru/ckfinder/userfiles/files/46863639123.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609448b2d7e73---fupuperirojifoxopinosep.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16099207b95c3a---jakikizafimurasugened.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=what+is+base+rate+in+statisticsPDF 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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