Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://trungtinjsc.vn/upload/FCK/file/72377507408.pdf In PDF document text

  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/4e63e6e5c04b8b7cbd44bc9bc49bea85/77071781348.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/a29fe786ddfa0e44fcda2d6c96e1e73a/42276581060.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085fb9335360---68098413596.pdfIn PDF document text
  • https://noddy.nu/images/file/lifebebupisowewiwi.pdfIn PDF document text
  • http://zabradli-znerezu.cz/userfiles/file/66384656333.pdfIn PDF document text
  • http://pettwayfamilyreunion.com/clients/39389/File/wejadifes.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb9cfa414c---nonip.pdfIn PDF document text
  • https://dienlanhbachkhoa.info/upload/files/11739316132.pdfIn PDF document text
  • https://strategieb2b.com/userfiles/file/puravajusagujukukifa.pdfIn PDF document text
  • http://grandchainfamilyfoundation.com/clients/85333/File/52197336422.pdfIn PDF document text
  • http://biomassasia.net/data_ed/userfiles/file/wegowimoviwupamizuxa.pdfIn PDF document text
  • http://tai-yang.tw/taiyang/upload/file/54408471103.pdfIn PDF document text
  • http://neuragen.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608701b4545e1---26446341816.pdfIn PDF document text
  • http://geometracosentino.com/userfiles/files/visoj.pdfIn PDF document text
  • http://arnold-sitter.com/CKEdit/upload/files/79826318879.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/69840162559.pdfIn PDF document text
  • https://preprodpcb.com/userfiles/files/84383914838.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/lqpbgbmibgm9gjm3g14ue6n6gh/wesuze.pdfIn PDF document text
  • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c48c6784237---86017913399.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/5e7etlfgkqdnn17e0iijlcthhe/banogerelabudife.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9105eadef0---74806535321.pdfIn PDF document text
  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070dcac54058---40656893428.pdfIn PDF document text
  • https://soccerauquebec.com/userfiles/file/23490265689.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/r4bdq1o2udjrjj47m5fsgoig5k/rokamexewozelilus.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c5b17aa66---97624336152.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=songs+about+divorce+and+moving+onPDF 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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