Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://crysiq.ru/uplcv?utm_term=magic+manager+apk PDF link annotation

  • https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/18kmq15r3pdaitjn91ae3es9v6/vazit.pdfIn PDF document text
  • https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/5524889b19033907060df657541f48c0/moripef.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/586a3a8a65c085ba091076e3ec10cb7b/71520667616.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/f7fcbb179291e7c3f2fcfab6bf2e8454/80456660369.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/a87a404dee064b93bd467d70c7a2211e/kepomuto.pdfIn PDF document text
  • http://uamarkets.com/images/file/pufemodaku.pdfIn PDF document text
  • https://alexandrapanayotou.com/web/images/static/file/lapegevosekeselaxame.pdfIn PDF document text
  • http://anandamsanyal.com/userfiles/file/73201111207.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/e71d06da1eb9ce9773944d3f933ff7ae/64949365309.pdfIn PDF document text
  • http://alexdisinfestazioni.com/userfiles/files/68066111789.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/af9iugvrcm4lvagiebnsu4hfj2/68253969124.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb91827e47---94002653894.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094310aa6395---jewadil.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/1688455098.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b622e51c25a---sexow.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b037c32def---19792264916.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

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