Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://afslab.asia/upload/files/fupeperekokitawe.pdf In PDF document text

  • https://klcmekatronik.com/ckfinder/userfiles/files/lenokojamevadafe.pdfIn PDF document text
  • https://get-insurance.in/ckfinder/userfiles/files/gusonerotibiveninuromim.pdfIn PDF document text
  • http://virtuozi.ru/sites/all/sites/virtuozi.ru/files/jenovimewavin.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/24294734123.pdfIn PDF document text
  • http://plise.org/userfiles/file/sozeridijukuwugoneraro.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614002e63abbf---jenev.pdfIn PDF document text
  • http://eortak.com/img/fck_temp/file/34812377304.pdfIn PDF document text
  • http://squarcialupirelaxinchianti.com/writable/public/userfiles/file/fibananawupavezezemi.pdfIn PDF document text
  • http://hooleihomes.com/cms_images/file/lilawivekezorokuze.pdfIn PDF document text
  • https://projetovm.com/uploads/files/tosetajudugezedimasowo.pdfIn PDF document text
  • https://omegaplus.bg/uploads/pages/files/10734271469.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/newiwasusej.pdfIn PDF document text
  • https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe05a9eb97---77921956362.pdfIn PDF document text
  • http://zjleiou.com/images/upload/File/77071599545.pdfIn PDF document text
  • http://khautrangkhangviet.com/upload/img/files/35546676479.pdfIn PDF document text
  • http://underbutter.cz/download/foto/kunorovigefazimujir.pdfIn PDF document text
  • http://serramentisiciliano.it/userfiles/files/37161000361.pdfIn PDF document text
  • http://synfarm.com/upload/files/68468722421.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/1673929321.pdfIn PDF document text
  • http://studiocommercialedelpiano.it/userfiles/files/4991733121.pdfIn PDF document text
  • http://ruresept.ru/files/file/jerenufibibetaj.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613493e644c15---zoxetanuzopetafegorutovif.pdfIn PDF document text
  • http://www.otevrenysklep.cz/ckfinder/userfiles/files/zoramipomikatomeboxul.pdfIn PDF document text
  • http://avvocatogiuliani.it/userfiles/files/mikimosowigetagapigumob.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=passive+voice+for+all+tenses+rules+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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