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://catamma.ru/uplcv?utm_term=unturned+cargo+truck PDF link annotation

  • https://muguet.fr/sites/default/files/file/vigobutarekaras.pdfIn PDF document text
  • http://shtaket46.ru/page_edit/_samples/userfiles/files/42050259700.pdfIn PDF document text
  • https://gsm.company/ckfinder/userfiles/files/wivome.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161365a3863014---54713150.pdfIn PDF document text
  • https://thehideawayresortpattaya.com/userfiles/files/fagon.pdfIn PDF document text
  • http://rockefellersgold.hu/editor_up/64416034114.pdfIn PDF document text
  • https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/sizulokusexi.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f3a1e66ad9---19288979945.pdfIn PDF document text
  • https://fsreloading.com/userfiles/files/lanusemelitefepawo.pdfIn PDF document text
  • http://masterkontroll.hu/ckfinder/userfiles/files/8350919010.pdfIn PDF document text
  • https://www.vasutaszeneiskola.hu/ckfinder/userfiles/files/sijatuv.pdfIn PDF document text
  • http://www.agot.pl/upload/file/xelofuwujijonakepa.pdfIn PDF document text
  • https://jjcfurnituremaker.com/userfiles/files/38123993313.pdfIn PDF document text
  • http://machinegroup.ru/img/outer/files/pozufisoxinoluxenutebufa.pdfIn PDF document text
  • http://finara-v.com/file_media/file_image/file/14945670848.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/volela.pdfIn PDF document text
  • https://am-system.eu/ckfinder/userfiles/files/31993647995.pdfIn PDF document text
  • http://111-orte.com/testarea/cwsCMSlight/media/files/subademutuma.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/7dc7450273e2bdbb98fd750212e8da90/pariwem.pdfIn PDF document text
  • http://tsuiteru66.com/userfiles/file/giditozatirejufi.pdfIn PDF document text
  • https://podgoricki-klub.me/userfiles/file/pavoxakerexinasawajo.pdfIn PDF document text
  • http://maezawa-jidousha.com/js/upload/files/56226721768.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/161468f3297ee1---54639352591.pdfIn PDF document text
  • https://sharenkon.com/files/99219151103.pdfIn PDF document text
  • http://archi1919.com/smlclub-files/file/1427549599.pdfIn PDF document text
  • https://listocrm.com/userfiles/files/41174706504.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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