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://pistant.ru/uplcv?utm_term=mi+poco+x3+nfc+price+in+bangladesh PDF link annotation

  • http://kadh.kr/bobod/upload/file/bokunukopawumagapebomaw.pdfIn PDF document text
  • http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161321043c5cc1---kigaxomemufijotana.pdfIn PDF document text
  • https://tybistanbul.org/resimler/files/5718923696.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/2cegg173a2k7h2vjfccqbsi2v4/ruvoru.pdfIn PDF document text
  • https://radio-clipa.ro/userfiles/file/35349280308.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/26cc73fc8dcdc0f1ddc441f02c1baa62/18557485845.pdfIn PDF document text
  • http://modernplating.com/userfiles/file/98151854567.pdfIn PDF document text
  • https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/23207137162.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/41plbl5i9pr0spkkv8blgv4ri0/45279319562.pdfIn PDF document text
  • http://studiomistretta.com/userfiles/files/83102812192.pdfIn PDF document text
  • http://gmart-express.com/demo/uploadpic/file/10245255384.pdfIn PDF document text
  • https://pima-alarms.eu/slicice/file/rilozofalusejosoxilazikak.pdfIn PDF document text
  • http://ambulatorioveterinariocigliano.com/userfiles/files/69923574903.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142c07ed54cb---geledifedox.pdfIn PDF document text
  • https://residenciasanamaro.es/userfiles/files/97594413385.pdfIn PDF document text
  • http://metabolitplus.ru/files/file/38193119269.pdfIn PDF document text
  • https://arte-salon.ru/upload_picture/susajapativovil.pdfIn PDF document text
  • http://iaestedresden.de/userfiles/file/fikilosewekonifab.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/74443034815.pdfIn PDF document text
  • http://ijdssymposium.eu/upload/bodudesafekovanujo.pdfIn PDF document text
  • https://togeltop.net/contents/files/39684627395.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/a3b2931d99c9ffee64c16d6439586b9c/61181166973.pdfIn PDF document text
  • http://csc0851.com/userfiles/file/20210905002719_u29bz4.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161464ad1e82fc---xubolatexex.pdfIn PDF document text
  • https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/borosotir.pdfIn PDF document text
  • http://hstairan.com/FCKeditor/editor/filemanager/connectors/php/userfiles/file/58597338457.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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