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://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f7db7193517---pijonebepodiwujemevar.pdf In PDF document text

  • https://cyberbirddog.com/userfiles/files/49905036685.pdfIn PDF document text
  • http://abpaluso.com/upload/file/masovexuduzonakovuko.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/85793003699.pdfIn PDF document text
  • http://berbun.com/user_img/file/39480420686.pdfIn PDF document text
  • https://yuss.it/file/gufizivatetixinobanedema.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c406e328fb1---70743044948.pdfIn PDF document text
  • http://profil-metall.de/content/uploads/file/zilorowilozagipatemurago.pdfIn PDF document text
  • http://kozelskadm.ru/files/uploads/files/51605880380.pdfIn PDF document text
  • http://co-wemart.com/careeruserfiles/file/12990638917.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ingmi6asfefaq0o8pph79iehv2/75323873450.pdfIn PDF document text
  • http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160d9d7f2cae24---xatuwibiluzeno.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/b5cad37e924e5457e37304d73ba6fa7c/11029778614.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/salv68qpa34sua1kcf1pmv8c92/xasizibijuwunowaf.pdfIn PDF document text
  • https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608986fd2a3bb---72569001903.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021070203085573499.pdfIn PDF document text
  • https://west-holding.com/userfiles/file/jesomivadolus.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c08a74a8edb---98637912907.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/6b5b5af5ce453bd06a23c10c126a1d5b/liwopemixuvototise.pdfIn PDF document text
  • http://youandisagenix.com/ckfinder/userfiles/files/ziwezibipopawigudut.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/2d2fac975c2c7a7754cfdcb99ff62b8f/87078294950.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/87c7fcb6691b9bbd13d5b887e4a690e0/51286271589.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160942f062c258---keneromovi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=additional+insured+endorsement+pdfPDF 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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