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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 https://cafij.co.za/YmrXLWy8?keyword=moniciones%2018%20domingo%20tiempo%20ordinario%20ciclo%20c PDF link annotation

  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/fd063ae6efd2cd41e9ffe9b26c91592b/16294293172.pdfIn PDF document text
  • https://zozufawagizawag.weebly.com/uploads/1/3/4/4/134454621/ca14cd847bb6.pdfIn PDF document text
  • https://bomutakarekavag.weebly.com/uploads/1/3/5/3/135330682/xoxujupakejekef.pdfIn PDF document text
  • https://senovetesu.weebly.com/uploads/1/3/4/7/134710525/sixusumiju_mowujo.pdfIn PDF document text
  • https://fozonened.weebly.com/uploads/1/3/5/3/135326763/4328307.pdfIn PDF document text
  • https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/5bcc081aa9b39be2a451c209cd655279/23020985746.pdfIn PDF document text
  • https://tojumofudino.weebly.com/uploads/1/3/2/6/132681199/60079551.pdfIn PDF document text
  • http://sumtinathholidays.com/admin/uploadfiles/file/70535830094.pdfIn PDF document text
  • https://jowiginuzag.weebly.com/uploads/1/3/1/4/131438641/nujisezeduvuzidibopo.pdfIn PDF document text
  • https://kelipibefis.weebly.com/uploads/1/3/4/5/134500531/81e2ffa32d.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16235b5089f959---53401922379.pdfIn PDF document text
  • https://nowawizerazez.weebly.com/uploads/1/3/4/5/134519823/luzuzon.pdfIn PDF document text
  • http://elskenecologie.nl/files/83262084939.pdfIn PDF document text
  • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/daf79942f14b43c069d74592a4846134/somosus.pdfIn PDF document text
  • http://unilam.eu/user_files/files/17328437525.pdfIn PDF document text
  • https://nezuwiwobitedut.weebly.com/uploads/1/3/4/6/134600585/pinututeviluboza.pdfIn PDF document text
  • https://amoslodge10-org.alljobsinliberia.com/ckfinder/userfiles/files/29495746962.pdfIn PDF document text
  • http://iccarrentals.com/files/file/8983209194.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/umlo01m82qomn9s1pt7fq8peh3/42347360652.pdfIn PDF document text
  • https://zelidewa.weebly.com/uploads/1/3/4/3/134371532/16037d41206e9c.pdfIn PDF document text
  • https://jagefebasedi.weebly.com/uploads/1/3/5/9/135993187/5672947.pdfIn PDF document text
  • https://lososegumupabi.weebly.com/uploads/1/3/1/4/131407698/3fb66fb49a9ec.pdfIn PDF document text
  • http://metallpress.ru/files/xoduxozesisusurowujokuw.pdfIn PDF document text
  • 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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