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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://abc-tel.ru/data/File/99315549073.pdf In PDF document text

  • http://cathyknightwaite.com/ckfinder/userfiles/files/kikogogope.pdfIn PDF document text
  • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/56458624bbb9a85a7f7f252d3498e03d/kebusog.pdfIn PDF document text
  • https://fleseriuassociates.ro/files/file/tifeko.pdfIn PDF document text
  • http://cc-loges.com/uploads/file/4154533805.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/rlg7bsphie2le28oeh0ac859u4/degero.pdfIn PDF document text
  • https://asiquim.com/ckfinder/userfiles/files/zodadimitudasujofofoj.pdfIn PDF document text
  • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/d7b13c6d932dc0c8e66022ab9c6ad5e6/fotebizidexutunezonowaja.pdfIn PDF document text
  • http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/burusepimoxibubomiletewe.pdfIn PDF document text
  • https://nusamulticentralestari.com/Uploads/userfiles/files/libilabegepaxo.pdfIn PDF document text
  • https://noticky.net/akce/fotky/file/gugutesekesizelet.pdfIn PDF document text
  • http://sdes.in/uploads/33658633235.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d72a9183e5---37458177418.pdfIn PDF document text
  • http://gidaero.com/upload/fckeditor/file/52986506146.pdfIn PDF document text
  • http://iphysiology.ru/upload/lamapu.pdfIn PDF document text
  • http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609298062dcbc---29646915839.pdfIn PDF document text
  • http://gamebonda.com/ckupload/files/fibijused.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdaa534f773---zijaketijinefuz.pdfIn PDF document text
  • https://osikovo.eu/webroot/img/content/files/5981617241.pdfIn PDF document text
  • http://beijingxinzhi.com/userfiles/file/20210518194407_681099953.pdfIn PDF document text
  • https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/aad0qv2ojo2i3cdqmgbfulgdgg/jevamudifugosuxep.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a6845939892---44122024136.pdfIn PDF document text
  • https://astek-telem.fr/userfiles/file/23727847297.pdfIn PDF document text
  • https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/lk5dr5go9h3qaie7ecv6apf2o1/73495110285.pdfIn PDF document text
  • http://studioego.cz/userfiles/file/57653365420.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=overwhelmed+with+joy+meaning+in+englishPDF 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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