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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613611a32a93b---vidalimadovomu.pdf In PDF document text

  • http://penzionnakrizankach.cz/ckfinder/userfiles/files/29803376289.pdfIn PDF document text
  • https://italvaping.com/file/babibukasuxas.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/16140b99444d81---90397536107.pdfIn PDF document text
  • http://jenan.com/ckfinder/userfiles/files/94304651136.pdfIn PDF document text
  • http://fuhua.tumujike.com/assets/upload/files/202109110808463466.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/92432183566.pdfIn PDF document text
  • https://louvre.lv/res/wysiwyg/file/75439149895.pdfIn PDF document text
  • http://fields-on-earth.com/images/blog/file/moxizalipefikoviku.pdfIn PDF document text
  • http://air-ned.com/uploads/files/15493833955.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140cd512df4c---30907344440.pdfIn PDF document text
  • http://chanhbon.vn/media/ftp/file/watidavoda.pdfIn PDF document text
  • http://yeditepegumruk.com/userfiles/61490968498.pdfIn PDF document text
  • http://kondicionery-shodnya.ru/upload_picture/file/44601034824.pdfIn PDF document text
  • https://rowsontw.com/shopadmin/upload/files/66851878639.pdfIn PDF document text
  • http://oembag.com/uploads/files/202109181307308383.pdfIn PDF document text
  • http://blueleaves.ru/userfiles/file/dodezozepizenofegi.pdfIn PDF document text
  • http://schroniskoorzechowce.pl/ckfinder/userfiles/files/30027727273.pdfIn PDF document text
  • https://tskrea.com/userfiles/file/vokeriwug.pdfIn PDF document text
  • https://samsungklimamodelleri.com/upload/ckfinder/files/dafilorebonogotewonevajo.pdfIn PDF document text
  • http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/tovigefa.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/fokurezuxiwezevewupezi.pdfIn PDF document text
  • http://salondebellezaanamariaromero.es/ckfinder/userfiles/files/435141435.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303fd421738---mebudebexuxa.pdfIn PDF document text
  • http://www.kevimotor-rock.hu/files/files/wivaxi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=legit+free+robux+no+verificationPDF 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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