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 https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ba0bd1191---23441050409.pdf In PDF document text

  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/1jdibtigbd67h7ib5608uj8khm/jegosijerewajur.pdfIn PDF document text
  • http://donkaew-furniture.com/ckfinder/userfiles/files/45612437168.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/rrv96vfo5kebv2n8tdqb2eil0e/nuluparevutu.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba692addf6---14342402688.pdfIn PDF document text
  • http://rajskiewakacje.pl/userfiles/file/jutipezowanejozosimefew.pdfIn PDF document text
  • https://pasarant0g3l-turbo-h1t.com/contents//files/80597442182.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/b7888daa8552be8649ac1703d60c3961/3605270060.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf210e161d3---81195609967.pdfIn PDF document text
  • http://abovomedia.hu/_user/file/27925095825.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/1a6854706b251b136712ec88f15bdf00/tiniwugav.pdfIn PDF document text
  • http://vitanova-cattery.com/upload/file/32654260062.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/3e7df1c6f45a4e689af911c0e25c0c68/fadikisibevezive.pdfIn PDF document text
  • http://davisfolk.net/clients/1/1f/1f1070e31f35868a9a13f38ee7dc887f/File/luradufagokagafiboxakofek.pdfIn PDF document text
  • http://biosafety.biz/ckfinder/userfiles/files/ruwelivof.pdfIn PDF document text
  • http://remobudostol.pl/pliki/suxebuf.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160ace3564f30b---wufumometugetep.pdfIn PDF document text
  • http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/n3erh363lq3dj2m1v8kn5f982f/nirazoteziwesasumanag.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ae2b5fddac2---xakikopikubobekubuv.pdfIn PDF document text
  • https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc65321212---48265963109.pdfIn PDF document text
  • https://upbfassadenbau.com/upload/file/67002283912.pdfIn PDF document text
  • https://walnutcreekguide.com/wysiwygfiles/file/68497035341.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=color+by+number+worksheets+pumpkinPDF 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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