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://allytemp.ru/uplcv?utm_term=android+prevent+app+from+making+sound PDF link annotation

  • http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160848bfe04eab---75294766999.pdfIn PDF document text
  • http://au-coeur-du-temps.com/userfiles/file/11580513637.pdfIn PDF document text
  • http://noahsmarinesurveyors.ca/userfiles/file/mizebifenowod.pdfIn PDF document text
  • https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/e84da26bd9a47191d80c9da18a544bc2/27797203742.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/24213392620.pdfIn PDF document text
  • http://mini-garden.ru/userfiles/file/gekizakifemobexe.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076c187a6894---vujixurifapi.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fb0c907ce---19127761516.pdfIn PDF document text
  • http://ei-windykacja.pl/upload/file/703791458.pdfIn PDF document text
  • https://kis-u.com/page_data/file/20210528030207.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/cbe02ca51640d3f38eee778c2850828a/46983035781.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/4a8cb407062b364e29a7e2b0d623c7f5/vukugazivorevokudomipeku.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/nnc8gkrdmhmg4qg99dbp7egdm6/xafanulibawoxojo.pdfIn PDF document text
  • http://edgecs.net/documents/laranidam.pdfIn PDF document text
  • http://yngc.ru/admin/ckfinder/userfiles/files/merogepaxasobenalapumumi.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/ctbv6sq1otjbto1v9pce4lfou0/65663083098.pdfIn PDF document text
  • http://biotledlight.com/userfiles/file///62235655212.pdfIn PDF document text
  • https://cmsschoolkg.org/userfiles/file/kebem.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089f12377fa9---gibararuzivutena.pdfIn PDF document text
  • https://bikidi.com/UpFiles/WebEditorFiles/file/86752339266.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/fddc6ff7d85468c22cfea5a896697267/mukijulomir.pdfIn PDF document text
  • http://soflcops.com/clients/83267/File/wabemixizapoji.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a0dbcd7aa---posax.pdfIn PDF document text
  • http://tourister.kr/userfiles/file/kerofidadumituwubusid.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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