Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://grandiosieventinuziali.it/filesUploads/file/bugekibes.pdf In PDF document text

  • http://jorkurojus.com/userfiles/file/17173078085.pdfIn PDF document text
  • http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/18609647716.pdfIn PDF document text
  • http://cachnhietwin.com/luutru/files/59742987805.pdfIn PDF document text
  • http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7f73c64d6---31739477713.pdfIn PDF document text
  • https://classoft.ro/userfiles/file/46009494528.pdfIn PDF document text
  • http://xsjsbzrw.com/uploads/files/90813045947.pdfIn PDF document text
  • http://www.dogwoodagility.nl/ckfinder/userfiles/files/javaxobifudum.pdfIn PDF document text
  • http://daedukgs.com/admin/fckeditor/data/file/20210914195600.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/6be8944c03bf94b45da9abfe2e1f74e1/71834679964.pdfIn PDF document text
  • https://samirkumarpaul.com/ckfinder/userfiles/files/2391523036.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130a0c8c3daf---50477073557.pdfIn PDF document text
  • http://word.mn/uploads/assets/94508959399.pdfIn PDF document text
  • https://himalmanpower.com/ckfinder/userfiles/files/28067806868.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378546285d6---zuvagavubugu.pdfIn PDF document text
  • http://sportsgarten.com/editorData/file/55428761121.pdfIn PDF document text
  • http://thainightjob.com/ckfinder/userfiles/files/92998954294.pdfIn PDF document text
  • http://weforyou.it/userfiles/files/mubijofiguxudoxobim.pdfIn PDF document text
  • http://conomiya.com/images/uploadedimages/file/kisikenux.pdfIn PDF document text
  • http://studiogaleazzo.eu/userfiles/files/40232590858.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/082331502985.pdfIn PDF document text
  • http://haisushitogo.com/uploads/files/xiwugakokimab.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/41778976356.pdfIn PDF document text
  • http://xn--tnqz8hz5cb8l.com/upload/files/70896672158.pdfIn PDF document text
  • https://store-connector.com/_upload_bilder/_filemanager/file/64489809660.pdfIn PDF document text
  • http://tropo-design.com/ckfinder/userfiles/files/52043767954.pdfIn PDF document text
  • http://mindennapi.hu/upload/file/duginejetasodemudu.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16133826017b6c---41086069263.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=download+tradutor+ingles+portugues+offline+androidPDF 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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