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 https://huntic.ru/uplcv?utm_term=leopard+gecko+care+book+pdf PDF link annotation

  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/psngld1qabmilj8vrkp04bkfj7/48780970315.pdfIn PDF document text
  • http://ampletrekking.com/userfiles/file/pevegokobasonazado.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/3779f6bff0654ab6dd30bfb04f559c9a/12384412482.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/94060638030.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/lajafop.pdfIn PDF document text
  • https://study4student.com/cache/fck_files/file/83631062405.pdfIn PDF document text
  • https://upbfassadenbau.com/upload/file/92634812266.pdfIn PDF document text
  • http://theartofdesign.nl/ckfinder/userfiles/files/76690006993.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/mttvndr9qb3dk9l9vfhqqtt7b5/runakapi.pdfIn PDF document text
  • https://www.sanier.pl/wp-content/plugins/super-forms/uploads/php/files/odplhib1pjrc9hecie200h6bsl/pogexejupakejulevevob.pdfIn PDF document text
  • http://reliancefla.com/admin/images/file/69978418835.pdfIn PDF document text
  • http://cermak-expo.cz/data/files/file/30863690339.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/dec86dbdabae3915f23071655b048e1d/19246875506.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/ti4tim3sah36dof9et73he2d20/79687395556.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160878c2cbaf95---gaziwuwe.pdfIn PDF document text
  • http://moskvaznaet.ru/upload/files/97716777831.pdfIn PDF document text
  • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b28b0e6e74b---13269951988.pdfIn PDF document text
  • https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/b04c18217e48dcb232432689914bea3b/gajatuvadogap.pdfIn PDF document text
  • http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/wasibekepevog.pdfIn PDF document text
  • http://cctechlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/masudanaxuf.pdfIn PDF document text
  • http://ttlh.vn/storage/ckfinder/files/wavisiso.pdfIn PDF document text
  • http://www.eurosecurimed.com/ckfinder/userfiles/files/5641747570.pdfIn PDF document text
  • http://gespk.com/userfiles/file/pinux.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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