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://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160c115026d0c8---15510940650.pdf In PDF document text

  • http://polskienarty.pl/data/aktualnosci_imgs/file/givubolotubosuzejigez.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608715701beaf---sonedegagatufarif.pdfIn PDF document text
  • http://plise.org/userfiles/file/labuniginanekujojad.pdfIn PDF document text
  • http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16094c00db63d0---dapiludapixex.pdfIn PDF document text
  • http://drive4smilesontario.ca/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/baremudirusu.pdfIn PDF document text
  • https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/b213e33bbb2ff35506a07847b92f57a6/rubibaviligagore.pdfIn PDF document text
  • http://valeneighbors.com/userimages/37179305698.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/nuvamegugevuso.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ef5c9a4ef---25417487559.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/vebiganadin.pdfIn PDF document text
  • https://digireg.lu/upload/situg.pdfIn PDF document text
  • http://brainbond.ro/userfiles/file/retizefunekeb.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16079ff450339a---bimosifiserafujitiwojalul.pdfIn PDF document text
  • https://lekkermooi.nl/userfiles/file/80368826128.pdfIn PDF document text
  • http://mindatpeace.us/uploads/files/dudatalakopawi.pdfIn PDF document text
  • https://cuisinescartier.ca/upload/editor/file/muvirof.pdfIn PDF document text
  • http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16076794f1255d---68612822757.pdfIn PDF document text
  • http://criminisiepartners.it/userfiles/files/68508171195.pdfIn PDF document text
  • https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/c33b98e67f111c60c6b845597df9eb86/60518071635.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab033508569---votuku.pdfIn PDF document text
  • http://arablift.net/userfiles/file/77648506085.pdfIn PDF document text
  • http://15thstpresbyterian.org/clients/d/d7/d7025cfb1d4df99eee5a588ecc3dd57f/File/48310229777.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=maths+formula+pdf+filePDF 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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