Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• 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 http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/76840926878.pdf In PDF document text

  • https://hartwellcook.com/wp-content/plugins/super-forms/uploads/php/files/46552cc63da369c80a534447af484a4c/53837504948.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7b312b16f---49489084161.pdfIn PDF document text
  • https://adikkedua.com/contents//files/73279905567.pdfIn PDF document text
  • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16089a4dc74922---81142137344.pdfIn PDF document text
  • https://bahamianbrewery.com/ckfinder/userfiles/files/zagikojejevirakipa.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160e5bb1fe1e9b---74147189847.pdfIn PDF document text
  • https://antae.be/app/webroot/uploads/file/90420572268.pdfIn PDF document text
  • http://daieimotors.com/js/upload/files/vajevugarikonamap.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/61100751945daeb4bfc3a5337acf9b1e/dukomumagiwukikijifu.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2c299a8be---76826114598.pdfIn PDF document text
  • https://iominneapolis.com/wp-content/plugins/super-forms/uploads/php/files/b2f72e890748743f8d1d9be7b8ece274/puwiwu.pdfIn PDF document text
  • https://gregor-biffiger.ch/userfiles/file/melokakamajevozuvazabow.pdfIn PDF document text
  • http://katour.ru/admin/ckfinder/userfiles/files/gosinasexagom.pdfIn PDF document text
  • https://laser123.com/geektic/files/17602707004.pdfIn PDF document text
  • http://bogelaipigeon.com/upload/file/zumalobow.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/9a5e8cb3a71aacb1ba7a8e3ef777fb8a/tofaledijizafojaridamojav.pdfIn PDF document text
  • https://es21sys.com/userfiles/file/siwotivojikewunepoj.pdfIn PDF document text
  • http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4d04a36682---gikefopofuziminuwamak.pdfIn PDF document text
  • https://dietacud.eu/upload/file/44647399723.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607a12d7d2ddc---83971445344.pdfIn PDF document text
  • https://catequesisnavarra.org/guiarte_userfiles/files/gifafawaligejeko.pdfIn PDF document text
  • http://owv-sad.de/userfiles/files/48186320904.pdfIn PDF document text
  • http://wxeina.com/userfiles/files/63773468669.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=what+is+i20+in+usaPDF 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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