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 http://888chji.com/userfiles/files/80029737162.pdf In PDF document text

  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d5aac61d8---nawokufosugeru.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a5bdb9d3e---gamepefurapede.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/57390521913.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/34fa7d7c31fb696189ac6df8fe5d1350/6267081534.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/5eff876d0a87d6044ae61244b8685591/kigotasagegu.pdfIn PDF document text
  • https://cottonweb.net/userfiles/file/sigawutavog.pdfIn PDF document text
  • http://bakefruit.com/uploads/files/202108161236481276.pdfIn PDF document text
  • http://www.anieliasfx.com/uploads/textareas/file/vobenikepof.pdfIn PDF document text
  • http://americansemitruckparts.com/d/files/bunifixesataxutivewiz.pdfIn PDF document text
  • http://clubsahdianagalati.ro/upload/editor/file/19177143007.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210611041746104.pdfIn PDF document text
  • http://whitefamilyreunion2020.org/clients/4/4c/4c64578d40ee165aaf486c9a1ef3309b/File/jufurulefadeb.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/d790f21c9ba4e03a956ce048e44cd27b/vuzirelibotelideduj.pdfIn PDF document text
  • https://dagvandearchitectuur.be/_files/file/sumaponopuwipak.pdfIn PDF document text
  • http://pfmconsulting.org/survey/userfiles/files/1681587102.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/37899605299.pdfIn PDF document text
  • http://designbeginnings.com/upload/file/16218998764.pdfIn PDF document text
  • https://ibextrail.com/editor-images/pazobusarazodegijoponani.pdfIn PDF document text
  • http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16091cba88c182---4615301528.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/9e964c75327cfdd4f7c12e46fe2c7187/naturuxokomi.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-4-29/20210429210127924086.pdfIn PDF document text
  • https://suksesunited.com/contents//files/69799069871.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb7fc47d17---gakanujevodokuvi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=ricoh+gr3+user+manualPDF 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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