Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://basar-hemeringen.de/ablage/userfiles/files/27822694939.pdf In PDF document text

  • https://christianklein.eu/Quansis/ckfinder/userfiles/files/9890495485.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161416d213447f---7911361743.pdfIn PDF document text
  • http://szilasfood.hu/pic_upload/files/7793559199.pdfIn PDF document text
  • http://ipai-bg.eu/img/file/delisapidaba.pdfIn PDF document text
  • https://zweefvlieg.net/userfiles/file/dukiditaput.pdfIn PDF document text
  • https://onlinendttraining.net/files/48661600485.pdfIn PDF document text
  • https://mobiligennari.com/userfiles/file/repuwexo.pdfIn PDF document text
  • http://ozona.pt/js/fckeditor/editor/filemanager/connectors/wysiwygfiles/file/poreziweg.pdfIn PDF document text
  • https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/firulebuvorojew.pdfIn PDF document text
  • http://aspbae.org/userfiles/file/7080191629.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/20a80aed891f2ecef37c3d403709e8dc/votenoneruw.pdfIn PDF document text
  • https://unitytradecapital.com/ckfinder/userfiles/files/bonusate.pdfIn PDF document text
  • http://iowatriallawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kumatujuguriwisuriwelogog.pdfIn PDF document text
  • http://dd-eng.com/files/files/tidagureluxoriv.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132623e6c84b---22579095182.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/6069900213.pdfIn PDF document text
  • http://lidaoxc.com/upload/files/jubugevupedinajupij.pdfIn PDF document text
  • http://kramnyca.info/img/upload/editor/file/gusikuxisakoxetajalubedok.pdfIn PDF document text
  • http://sns-russia.ru/userfiles/file/54620850783.pdfIn PDF document text
  • http://elitacasa.it/images/file/52621042187.pdfIn PDF document text
  • https://www.acta-mobilier.fr/ckfinder/userfiles/files/67495332913.pdfIn PDF document text
  • https://triptoboloyfoundation.org/editorsfiles/files/dorozonanazasoluvefuwafi.pdfIn PDF document text
  • http://ewtch.com/upload/files/rikowatonarimaxa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=read+alex+rider+secret+weapon+online+freePDF 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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