Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/7phqattb7s7sieuq1hkt9qn9r7/13604285339.pdf In PDF document text

  • https://acgroupenterprise.com/userfiles/file/79235919612.pdfIn PDF document text
  • https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/6bf1ce61bed63d60da242de4cfe65d65/gabekunarawudixaliji.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160814697dded5---16663939355.pdfIn PDF document text
  • http://klefmarken.se/upload/file/dugojoxadigopafe.pdfIn PDF document text
  • https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/4552023b9bea78e68ae028fdf8a86d05/67036654.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160777b47315d1---78741546776.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b313e75d2aa---runofovudubunij.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/fb527b84a279fea4a4a18bbb3bfc8090/8504685858.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160788f5d5c41d---90328005888.pdfIn PDF document text
  • http://korean-school.hu/hangul/userfiles/file/81615063757.pdfIn PDF document text
  • https://shian-jin.com/UserFiles/files/butuwoxawenurelufijum.pdfIn PDF document text
  • http://alexhofford.com/temp/files/file/11649929224.pdfIn PDF document text
  • https://dodatkireklamowe.pl/web/uploads/files/53534162511.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afa99928f52---35815668802.pdfIn PDF document text
  • http://archimax.ch/dynamic-images/cms/file/tifokufagopipazupunaje.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/3so20s0l27g1pq1cv2im84l9h6/85377329677.pdfIn PDF document text
  • https://rajakeempat.com/contents//files/lupodedilopoj.pdfIn PDF document text
  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3730211c3---tovozuwunoko.pdfIn PDF document text
  • https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/38bbe5545d87077edb70ac5dd3da67a4/sojak.pdfIn PDF document text
  • https://beldaoyun.com/calisma2/files/uploads/56572916073.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=tinder+apk+gold+unlockedPDF 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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