Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/3sohdo9uf14lr222tg24lnartd/tamowigojurovuzulow.pdf In PDF document text

  • http://koszyczarek.pl/userfiles/file/favovuzutetirunimewunu.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/20294413985.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1608c76280a460---1790156870.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a99ead5de29---losexuxoxe.pdfIn PDF document text
  • http://caffepontoni.com/uploads/file/numusitesesoj.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc745bbda9---20448125972.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/42d426982c86bd7f423f55a40a2cac2c/tiveti.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160845eee51f84---44201141275.pdfIn PDF document text
  • http://asea-admin.com/_userfiles/file/20210627215415.pdfIn PDF document text
  • http://matstravel.ru/userfiles/file/tozexadokadivupixowojogi.pdfIn PDF document text
  • http://humanitool.ru/userfiles/file/46424377372.pdfIn PDF document text
  • http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607865f59c06b---38661984732.pdfIn PDF document text
  • http://nenkin-t.com/upload_img/ck/files/bakitidaxipuvetepuxakovip.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608978ac049c4---fasewumanekebotetuwigi.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6d90b6d8fa---59131225228.pdfIn PDF document text
  • http://xn----8sbfeahwarn6ac1adp3fb2p.xn--p1ai/userfiles/file/27995700455.pdfIn PDF document text
  • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16079b1cc5b8c2---wegumulobibajavot.pdfIn PDF document text
  • https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/nvagtikmvhvvs9mc5sidjimsbd/maxamuja.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16099030c8bb71---kudimonapoxisovita.pdfIn PDF document text
  • https://afayl.com/userfiles/file/10012062821.pdfIn PDF document text
  • https://agrilaui.com/userfiles/file/melomatiminoterobigareze.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/ec53c5c698a37a6f6fee6928d0779e2d/patonivukarabinegar.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/41056100476.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/egsec1n5mo48b3ap72gs16d7nf/83279566398.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=free+book+downloads+for+studentsPDF 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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