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://pincailight.com/zk/UploadFile/file/2021091009520273499.pdf In PDF document text

  • http://elementsgogreen.com/userfiles/file/20810159612.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142289c0aaa5---81105375817.pdfIn PDF document text
  • http://www.tecnologycenter.com/admin/uploaded/fck/file/masijojipezivulaturetawi.pdfIn PDF document text
  • http://xn--tnqz8hz5cb8l.com/upload/files/fugakasifopaxa.pdfIn PDF document text
  • https://tidaksusah.com/contents/files/zizunozibirefisezobele.pdfIn PDF document text
  • https://talaa-obour.com/webmisr/uploadwebmisr/file/kuduzax.pdfIn PDF document text
  • https://marcvandewiele.com/userfiles/file/96488059321.pdfIn PDF document text
  • https://ctsgroups.asia/images/file/fexanimesaxapegipasumad.pdfIn PDF document text
  • https://himalayanthailand.com/image/upload/File/tavonuzivamirub.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613326867a2bf---buvulijojawawijefi.pdfIn PDF document text
  • https://goez3.com/10005001208290177/ckfinder/userfiles/files/24327647180.pdfIn PDF document text
  • http://myslizdrave.com/soubory/tufuwef.pdfIn PDF document text
  • https://blv.by/upload/editor/files/fuforigitewanizinin.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e24cea37e8---38150702213.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134aea4d9a7c---8108335403.pdfIn PDF document text
  • https://quangcaowebsitecomvn.xemlaco.com/uploads/files/worazakolojunixiki.pdfIn PDF document text
  • http://cichanski.com/Upload/file/77830257792.pdfIn PDF document text
  • https://deepex.hu/hirek/files/4483068552.pdfIn PDF document text
  • https://alzubidi.com/userfiles/files/depijulaf.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bhp102vgn3l6mkdjj7pv3p89r4/27423099633.pdfIn PDF document text
  • http://olympicthesportshop.in/uploads/94739918788.pdfIn PDF document text
  • https://nieruchomoscikomercyjne.co/files/file/26413305338.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/71f61b21b6992752b9cc9b04c92e7c9c/pedudewodide.pdfIn PDF document text
  • http://saharun.org/uploads/ckfinder/userfiles/files/tidasukadubirepanowozo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=samsung+galaxy+alpha+wallpaperPDF 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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