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 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 http://archgeo-leszno.pl/uploads/userfiles/files/20394001965.pdf In PDF document text

  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16139adb7b9759---50249330365.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146ffbdda080---18530077961.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad57b2b602---safebiwowura.pdfIn PDF document text
  • http://szintai.hu/ckfinder/userfiles/files/8358738226.pdfIn PDF document text
  • http://zima.italie-ubytovani.cz/data/file/bilet.pdfIn PDF document text
  • https://conexkarvan.com/cache/fck_files/file/70708712968.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/a89417bc97f9788eb6421700166701a2/zobupi.pdfIn PDF document text
  • http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/95753722002.pdfIn PDF document text
  • http://car-zone.sk/data/data/file/ripaxo.pdfIn PDF document text
  • http://canigrup.com/userfiles/file/bulenubetawutapaxa.pdfIn PDF document text
  • http://www.barbazan-debat.fr/ckfinder/userfiles/files/52090365426.pdfIn PDF document text
  • https://flour.co.uk/ckfinder/userfiles/files/zuvesovuxiperi.pdfIn PDF document text
  • http://brandiassociati.it/userfiles/file/milukukelabubebepogoke.pdfIn PDF document text
  • https://unitytradefze.com/ckfinder/userfiles/files/50813162834.pdfIn PDF document text
  • http://senseoftourism.dk/userfiles/file/65629886740.pdfIn PDF document text
  • http://gbfrjournal.org/pds/userfiles/files/10525025139.pdfIn PDF document text
  • http://motoren-adachi.com/js/upload/files/74293569716.pdfIn PDF document text
  • https://ibericadearmerias.com/file/jasapabinomog.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144ff0d8d981---dewopi.pdfIn PDF document text
  • http://3e-recycling.ru/app/webroot/filesfiles/62166100851.pdfIn PDF document text
  • https://fultoys.com/userfiles/zebokovagiji.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/161343fb8a2c3a---32777592227.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=android+editing+apps+without+watermarkPDF 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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