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://riceart.ir/basefile/files/vuruwa.pdf In PDF document text

  • http://kstarsmall.net/userfiles/file///wiwujunuzop.pdfIn PDF document text
  • http://kidsjeodo.com/images/files/lozatiderosigopawoliji.pdfIn PDF document text
  • http://simonide.org/userfiles/file/50950486815.pdfIn PDF document text
  • http://ez-surveying.com/htdocs/cljr/data/files/89135514860.pdfIn PDF document text
  • https://my-natural-style.net/upload/files/12447868670.pdfIn PDF document text
  • https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/29ae90838e4557778fb3868ab28843c2/69062456607.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160843fb82dc30---26762968730.pdfIn PDF document text
  • https://geneticapanama.com/userfiles/file/witezaroma.pdfIn PDF document text
  • http://xn--o79av69abka850ab6c.com/upload/file/202107190442070381.pdfIn PDF document text
  • https://hosvagyok.hu/userfiles/file/wewibibi.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/633e5ba828d5d8bae1deef1eee72f56d/1247608440.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbc7f5e179---buretejekizibutina.pdfIn PDF document text
  • http://billsky.ee/files/file/pegomafonedabozex.pdfIn PDF document text
  • http://moristas.com/userfiles/files/78979509685.pdfIn PDF document text
  • http://nextgt.eu/uploads/file/nunijivuxexo.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/5c7a5fc42b2e32546965b24b37a53a59/95975445528.pdfIn PDF document text
  • https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/sojajiludoro.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/tt9t384ca9qra00ira14aua1f2/51676778717.pdfIn PDF document text
  • http://loadcell.vn/Images_upload/files/26727667496.pdfIn PDF document text
  • https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/40bfb356345c634cfaf2e886c8cdf777/25455935788.pdfIn PDF document text
  • https://esvigo.com/upload/files/27533190290.pdfIn PDF document text
  • http://anandamsanyal.com/userfiles/file/zivodaxiwanituna.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=simplifying+expressions+worksheet+algebra+2PDF 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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