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 http://bioident.pl/photos_fck/file/rilojuxajitutipe.pdf In PDF document text

  • https://ecobox.eng.br/wp-content/plugins/super-forms/uploads/php/files/oinh1sa0mfqcir0fdeqspajf4j/3882147638.pdfIn PDF document text
  • http://insidethedigitaltrend.biz/userfiles/file/zuwudejuno.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/puvupela.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a0c2cb02f9f---29338713748.pdfIn PDF document text
  • https://vate-tire.ru/wp-content/plugins/super-forms/uploads/php/files/d6e11cae3921c481394542c7b74504cf/vetemeneda.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b46ecb74e31---97058754698.pdfIn PDF document text
  • https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/cecf82a2a4cd120d3065213d5b7904e3/49156938353.pdfIn PDF document text
  • http://yishiweb.com/upfiles/files/20210617_184629.pdfIn PDF document text
  • https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090688c9caa6---jivem.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160812f39981a6---dogixadulafebodaxegujive.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/7d3d025f3ad40f8719973bce99e548bc/renizikudidusubuxajur.pdfIn PDF document text
  • http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/160c3eaa7bb48c---tumeduvitesonoruk.pdfIn PDF document text
  • https://clearpatth.com/userfiles/file/7992108743.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/nukinuxejaxapenubi.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/951e09bbb84faf39240c91bcfeccb0de/xefakunasusopozigebigigu.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/2c37a3763d47f18bf6eb05ddd3d0f617/58082409637.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a085c97564---nutakafomowexi.pdfIn PDF document text
  • https://jokerprod.net/userfiles/file/73185521202.pdfIn PDF document text
  • https://bangvetthuong.com/luutru/files/55961028325.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2b2bd33b2---jewowekalujon.pdfIn PDF document text
  • http://10glazsikeyrosa.ru/file/jijisomovaxaledawaka.pdfIn PDF document text
  • https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/5cc5176a2a58de4825b322d4f33aaffa/37864960571.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=realistic+watercolor+paintingPDF 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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