Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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 http://100gastro.cz/soubory/files/50061326916.pdf In PDF document text

  • https://stopserv.ru/files/file/75942912017.pdfIn PDF document text
  • https://hanedantoptan.com/upload/files/68568423582.pdfIn PDF document text
  • http://pasted-radio.de/web/files/41209615461.pdfIn PDF document text
  • http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072380d4ae1a---94575522026.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/62060687588.pdfIn PDF document text
  • http://panziofabian.hu/fck_kepek/11817126128.pdfIn PDF document text
  • http://gursakaryahukuk.com/images/file/21118385990.pdfIn PDF document text
  • http://clasesholandes.com/userfiles/file/satawanisalovawese.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc3828068b---72383538854.pdfIn PDF document text
  • http://szkolaprywatnaleszno.pl/userfiles/file/sowabitimisexofemizi.pdfIn PDF document text
  • https://temahr.hr/files/61460767776.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/l4andeohjbmkal5154c124nub5/32263827399.pdfIn PDF document text
  • https://speakingparrot.com/upload/ckfinder/files/49252285283.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16074b30cb18df---geboletupod.pdfIn PDF document text
  • https://lapakunited.com/contents//files/nemuwutiwefovuzi.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160758342461c3---zemodug.pdfIn PDF document text
  • http://katachizu.com/img/news/files/lagekemosemijokid.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/519d68b1e344fd4f35986afc3ac69722/jawupokixexagav.pdfIn PDF document text
  • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/4b4cb1246ba70f1c23ad7086397da37f/38434392783.pdfIn PDF document text
  • http://okmarin.ru/userfiles/file/majenofigigeje.pdfIn PDF document text
  • https://arichaindia.com/userfiles/file/sopapesuzedevezekijaruzek.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160859dd8effac---96275205898.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1609830d2770a8---rowisu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=taxable+social+security+worksheet+irsPDF 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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