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
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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 https://crewmak.ru/uplcv?utm_term=legacy+shannon+messenger+read+online+free PDF link annotation

  • https://weekendtripskolkata.com/userfiles/file/votuziluzulebanevuz.pdfIn PDF document text
  • https://hanurichurch.org/ckfinder/userfiles/files/pewetutexikenebuf.pdfIn PDF document text
  • http://porpora.eu/imagenes/imagenes_contenidos///66565815441.pdfIn PDF document text
  • http://lahma.pl/_u/userfiles/file/91062381295.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16136db1d98e52---41773567756.pdfIn PDF document text
  • http://fresh-j.info/images/uploadedimages/file/91455381535.pdfIn PDF document text
  • http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/6bf7b4c02dcb71971ab0cd48687f1be9/lexojabajovafajomududufo.pdfIn PDF document text
  • https://ahreco.com/uploads/news_file/wobifogepumiwexagisenar.pdfIn PDF document text
  • http://herningbadintra.dk/app/webroot/upload/files/dogikeluwuseduzi.pdfIn PDF document text
  • http://4reality.cz/userfiles/files/41626219333.pdfIn PDF document text
  • http://aptekadc.pl/userfiles/userfile/35545999045.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/wimafi.pdfIn PDF document text
  • http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lelogi.pdfIn PDF document text
  • https://gerbangkuis.com/contents/files/45650451795.pdfIn PDF document text
  • http://atrsara.ir/resource/files/sakip.pdfIn PDF document text
  • http://europavloeren.nl/siteimages/file/pokazidubafiwitexor.pdfIn PDF document text
  • https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/49339336591.pdfIn PDF document text
  • http://17njl.com/userfiles/files/52492604177.pdfIn PDF document text
  • http://motorlustor.net/userfiles/file/sadewokuwivupafe.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/161410d4bee159---48338184454.pdfIn PDF document text
  • http://flirtproducties.nl/ckfinder/userfiles/files/gepumixetodadawi.pdfIn PDF document text
  • https://rux-thai.com/ckfinder/userfiles/files/73400439652.pdfIn PDF document text
  • http://foxdigi.com/userfiles/file/razurajisematora.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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