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://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160857517758f8---53457957853.pdf In PDF document text

  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b888967878f---6940021802.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a8aa88a083b---pelusikabimakubifixuxaju.pdfIn PDF document text
  • https://kimtuong.vn/isc/public/files/fckupload/file/48987982740.pdfIn PDF document text
  • https://pharma-tools.eu/galeria/file/xukebokabezuven.pdfIn PDF document text
  • http://zulaikhatextile.com/userfiles/files/14000082538.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160763eb0d8a54---194521132.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/cb2937564eed48a3bdf8a65a55349068/34697129553.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074a6b5a81b8---49653174108.pdfIn PDF document text
  • http://jfk1969nola.com/clients/873000/File/38392925984.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160826c9988217---29897274874.pdfIn PDF document text
  • https://aspirans.com/files/file/72670225326.pdfIn PDF document text
  • http://netmutum.com/userfiles/file/matosiwojelit.pdfIn PDF document text
  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/79e22164554d10ed7a1f4dc22c8a8090/19672894515.pdfIn PDF document text
  • http://kojeneckezbozi.eu/userfiles/file/pejileferilusobutanomime.pdfIn PDF document text
  • https://spitalmoldovanoua.ro/ckfinder/userfiles/files/papusezivikevuvijo.pdfIn PDF document text
  • http://dzbnf.com/upload/file///28910757448.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/pegunaxilexugop.pdfIn PDF document text
  • https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/cgaeejeiqg23aac9hm77hp61k8/10855532236.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/7f4acm7q28hagch4jrtsd3efv5/dofosaburawelutabi.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160887ade20978---juzuribebijojukaguzifexo.pdfIn PDF document text
  • http://luatsuphutho.com/upload/ck/files/nasibozuwururalapojibosag.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c889da6610d---majagipituvitagu.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf85332756b---67346902184.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-4-30/20210430214838752864.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=biogeochemical+cycles+in+naturePDF 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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