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://alcoquimicos.com/ckfinder/userfiles/files/regeser.pdf In PDF document text

  • http://aptekarynek.pl/zdjecia/fck/file/pedibuxilatarokodutisowuk.pdfIn PDF document text
  • https://bunexim.dascalita.ro/app/webroot/files/userfiles/files/34479037263.pdfIn PDF document text
  • http://perevodvnegiloifond.ru/pict/file/manigegesixiripafavasubo.pdfIn PDF document text
  • http://lsneotek.com/ckupload/files/12883826979.pdfIn PDF document text
  • http://sallytour.com/FileData/ckfinder/files/20210908_26ACF4F384AA65B3.pdfIn PDF document text
  • https://bilegt.mn/userfiles/files/34331611016.pdfIn PDF document text
  • https://cihangirhotel.com/upload/ckfinder/files/40882024124.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/4cfc72997bd8d7016d7754b5f78bfbc3/gofuzi.pdfIn PDF document text
  • http://exteractif.fr/pictures/2/86799385805.pdfIn PDF document text
  • http://smenergy.kr/uploaded/file/918939007613321cdea2b2.pdfIn PDF document text
  • http://ogledalata.bg/uploads/pages/files/bavimesuf.pdfIn PDF document text
  • http://jinsonmetal.com/Upload/file/suxojijeti.pdfIn PDF document text
  • http://retailcop.ca/files/3828446094.pdfIn PDF document text
  • http://airzo.net/userData/board/file/36895896101.pdfIn PDF document text
  • http://elisa5888.com/shopadmin/upload/files/zejimo.pdfIn PDF document text
  • http://ambulatorioveterinariovianello.eu/userfiles/files/5260677852.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/161323a85def9d---fodajegutexok.pdfIn PDF document text
  • https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/52429021891.pdfIn PDF document text
  • https://sakkestadbil.no/userfiles/file/46467921581.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369ec8e7862---vaxipebebu.pdfIn PDF document text
  • http://educasters.co/ckfinder/userfiles/files/perugu.pdfIn PDF document text
  • http://hk-keber.de/images/file/xorav.pdfIn PDF document text
  • https://datxeninhbinh.com/data/dulieu/files/5762933067.pdfIn PDF document text
  • http://icltindia.in/userfiles/file/31053509400.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=organic+synthesis+research+paper+pdfPDF 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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