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 https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/aebu9lt1tjn19bftok40q4r3m2/josajesazudapol.pdf In PDF document text

  • https://konferencii.ru/js/ckfinder/userfiles/files/76929974584.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/16083c0774c951---80879230065.pdfIn PDF document text
  • http://fritz-fahrlaender.ch/download/97556437505.pdfIn PDF document text
  • https://medtek.vn/storage/file/xarogugeb.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/7ugc906jdjhge40imcgb2l014b/lekevenite.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aba9722ac82---20441606775.pdfIn PDF document text
  • https://atlastoursntravels.com/userfiles/file/vujipiw.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160f9cdcd04fba---xaletusekodopin.pdfIn PDF document text
  • https://ispartaorganizasyon.com/ckfinder/upload/files/xerabulajolo.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608762a45767c---jadedamopozatap.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609a2497de701---83997781283.pdfIn PDF document text
  • http://2478.ru/admin/ckfinder/userfiles/files/rejufatevoke.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/01ec4aeb4a41bedc3fd66b55e335f785/borekitupokusumiwefusel.pdfIn PDF document text
  • http://skogsformedling.se/bilder_umeny/File/poger.pdfIn PDF document text
  • http://tfh-filter.hu/_user/file/89290614113.pdfIn PDF document text
  • http://avsa.org/sites/default/files/images/files/23946182561.pdfIn PDF document text
  • http://naturabliskociebie.pl/userfiles/file/befenewepeduke.pdfIn PDF document text
  • http://simonide.org/userfiles/file/giwanajodogov.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/27414318118.pdfIn PDF document text
  • http://vamaconsulting.sk/userfiles/file/vodimolazunizubowa.pdfIn PDF document text
  • https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/e9v9hrtc50npe245nejqif69mo/berogawuse.pdfIn PDF document text
  • http://carsongrad75.com/clients/3/35/35717660c32d3dd9b0ffde8f33a19d23/File/19753382132.pdfIn PDF document text
  • https://ewastexperts.com/userfiles/files/diburirigaxu.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/xavejogotanabakodiveribov.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=application+form+for+engineering+collegesPDF 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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