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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1609ddef59b1fb---64054531470.pdf In PDF document text

  • http://seoulsquare.com/userfiles/file/4905745529.pdfIn PDF document text
  • http://icltindia.in/userfiles/file/83467970234.pdfIn PDF document text
  • http://twxcd.com/img-aim/files/80339622516.pdfIn PDF document text
  • https://kanalprofi.at/UserFiles/file/17357125761.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/f8c03b6182d6cd5c1bdd062447754c08/gavovalojedojiwinazezi.pdfIn PDF document text
  • http://banphimchuot.com/userfiles/file/puvizifepopege.pdfIn PDF document text
  • http://psystems.gr/Administrator/uploads/userpics/OutPostImages/files/rapuladosila.pdfIn PDF document text
  • http://savitaco.com/uploads/images/files/80213128663.pdfIn PDF document text
  • http://ride.hu/images/uploads/files/kumefora.pdfIn PDF document text
  • https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/54008117688.pdfIn PDF document text
  • http://uleiuri.ro/userfiles/file/42182665942.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/7th8gmaen4k19e9vdllvh9obvp/81025936615.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/5s8c1ae2shqqa294u3uo6lu9i2/11636836629.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/a2860b99803370a84777dfc827f3f6e1/77692587914.pdfIn PDF document text
  • https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/tejaboxonikaj.pdfIn PDF document text
  • http://sarljarry.fr/userfiles/file/zesevubu.pdfIn PDF document text
  • http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/46756467927.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9c75e06b6---rajavawe.pdfPDF link annotation
  • https://vivekanandbawwa.com/userfiles/file/3080579425.pdfIn PDF document text
  • http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/rutekafel.pdfIn PDF document text
  • http://blissrenewbeauty.com/newerac2c/userfiles/file/pafej.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=glimmer+meaning+in+englishPDF 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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