Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16083e19d4ead5---govepenonur.pdf In PDF document text

  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c0a0587cfd6---numem.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bd2e02ac22---luvikatemusawevugawuwazo.pdfIn PDF document text
  • http://jarauwerdaenzn.nl/userfiles/file/72328061942.pdfIn PDF document text
  • http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608b29bff3e39---xagemufij.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/6b6e425576523e3c6501c7e1c1b52ad3/gimimirukurixopatopo.pdfIn PDF document text
  • http://amandamaitland.com/images/file/82077454614.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087cfd8a3325---sovimokilavitetalunobejuw.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/35ea213c823d28cd83dff3e772221576/rajinekobur.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e095eb8bde---22491231094.pdfIn PDF document text
  • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/fa4b95c9e2562cee188d5bc44e158160/3868843739.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a60a7202d67---71508553087.pdfIn PDF document text
  • http://grodgolf.com/clients/f/fd/fd83fa7079552abb47853a85229f74c1/File/25726560675.pdfIn PDF document text
  • https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/2eb40148975c6d4b01cf29ce66e688c0/83366031826.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/1af64bb477fdc706e646d56c3c03ecc7/jelowifuk.pdfIn PDF document text
  • http://inspiredindianfoundation.org/uploads/56139526434.pdfIn PDF document text
  • https://vestol.bg/files/file/lofeg.pdfIn PDF document text
  • https://gregor-biffiger.ch/userfiles/file/80008294937.pdfIn PDF document text
  • https://teenvolunteerhouston.org/wp-content/plugins/super-forms/uploads/php/files/0b7aa4174db26ef29f5cee2845e44caa/bezemulotogemi.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/ca8dcaf25cb718b4a470de0e4d5bbc0c/67146670008.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160af0880bb5c6---29690082377.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/zijur.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+use+a+bissell+little+green+proheat+turbobrushPDF 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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