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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://wojczak.pl/userfiles/file/21807089623.pdf In PDF document text

  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b95b2283c---71102675271.pdfIn PDF document text
  • https://aordonez.com/images/contenidos/files/56851696870.pdfIn PDF document text
  • http://sk-uralstroy.ru/uploads/files/fipudofekaxekaliniron.pdfIn PDF document text
  • http://xn--9i1b14l32gg2dsybq3b.com/upload/fckeditor/file/92462814686.pdfIn PDF document text
  • http://villkasz.hu/editor_up/zunixobazipujotifesege.pdfIn PDF document text
  • http://defhjdrjioo.friend-match.com/upload/files/53971077931.pdfIn PDF document text
  • http://svb-volleyball.de/userfiles/file/nujigizidobonovenumuru.pdfIn PDF document text
  • http://test-immo.com/file/xakunirenudede.pdfIn PDF document text
  • http://hungbuloon.com/media/ftp/file/17456763593.pdfIn PDF document text
  • http://thietbikhachsanvinhhung1.com/upload/files/logituzub.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ab782b59a---9619593002.pdfIn PDF document text
  • http://www.fdconsult.qa/public/uploads/cms_files/74767735131.pdfIn PDF document text
  • http://tangiahoang.com/skinkorea/Images_upload/files/96412593788.pdfIn PDF document text
  • https://opsclown.it/ckfinder/userfiles/files/sozidakuvisujarukewopazu.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/lvl45hpujv7b84cg50h1n8teb6/25659154994.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5266d501c---89736321853.pdfIn PDF document text
  • http://reopen911.info/media/file/selamavebajuvulosox.pdfIn PDF document text
  • https://medsplus.us/admin/images/file/92786293413.pdfIn PDF document text
  • https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/ddd414f33c1091b0503831ce9f869f2b/69686522991.pdfIn PDF document text
  • http://xn--2e0b95unoa536adofm5h.com/userfiles/file/zidiradelarepebop.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16139b9d0ea01d---porukupu.pdfPDF link annotation
  • https://mihalex.by/files/files/madutijimufomajadab.pdfIn PDF document text
  • http://neonatal-surgery.ru/userfiles/files/pinizobifiv.pdfIn PDF document text
  • http://tlumacz-lipno.pl/pdrzewiecki/files/zuxokura.pdfIn PDF document text
  • http://www.ruben.pl/ckfinder/userfiles/files/26406097588.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=puffin+web+browser+androidPDF 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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