Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://cructi.ru/uplcv?utm_term=the+sims+freeplay+hack+download PDF link annotation

  • http://boisehighclassof1965.com/clients/879780/File/26686923013.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d3ac290b891---xazifagirunuxegupexegimiw.pdfIn PDF document text
  • http://globalbando.com/DATA/upload/files/202106162248174406.pdfIn PDF document text
  • https://sacc-la-chaux-de-fonds.ch/fichiers/file/faxubokunepiruvu.pdfIn PDF document text
  • http://prociweb.hu/sites/files/file/89234405877.pdfIn PDF document text
  • https://bitree.ru/ckfinder/userfiles/files/3135534790.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/uksr90iguk3i6invu848a5plj7/23182694494.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1d220d263---mefarulefis.pdfIn PDF document text
  • https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/lv0kdqvpkf07mnc91coi5ebsd0/94293262572.pdfIn PDF document text
  • https://franchiseharbor.com/files/files/17207483426.pdfIn PDF document text
  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160954b730a64f---mitepetifefotitaxok.pdfIn PDF document text
  • https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd2783e8c2---95889709967.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1bf7ee1c3e---puvewerutigugapu.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160c48bb15d523---tosajoridizudabewelumin.pdfPDF link annotation
  • http://alliusie.com/userfiles/file/zogasuxurarok.pdfIn PDF document text
  • http://xinyuemu.net/assets/202106/files/20210629141459474842.pdfIn PDF document text
  • http://lnshiyue.com/userfiles/file/20210606171239_1533031507.pdfIn PDF document text
  • https://artofsurfing.com/preview/ckfinder/userfiles/files/8332029656.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609f282727d51---9278376169.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/o4phnfs8jpdt0vfasgcrnis643/nujiwisipati.pdfIn PDF document text
  • https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/ffea13f1dda49c80ee57e2789fc9cdc3/wusegiwabotugon.pdfIn PDF document text
  • http://rencontres-icare.org/userfiles/file/kebezabuz.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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