Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://stepasidemedical.com/images/uploads/file/12632997494.pdf In PDF document text

  • http://tieulongcopro.com/luutru/files/97598656452.pdfIn PDF document text
  • https://semangkabiji.com/contents/files/17496751653.pdfIn PDF document text
  • https://harmony-lazienka.pl/Upload/file/woposajapasemivuniluj.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613742c826009---94792569454.pdfIn PDF document text
  • https://imihwa.com/uploads/image/20210928/files/20210928010645.pdfIn PDF document text
  • http://conblocmanado.com/pics/file/zivubilujalikuzed.pdfIn PDF document text
  • http://mp-journal.com/media/file/89459231520.pdfIn PDF document text
  • http://internationalnetworksolutions.net/files/In PDF document text
  • http://ctnphrae.com/ckfinder/userfiles/files/dikewodivuvatolisofono.pdfIn PDF document text
  • https://maviet.vn/upload/files/98358413535.pdfIn PDF document text
  • http://inwama4.vn/webroot/img/files/29204513749.pdfIn PDF document text
  • http://kotolantopeni.cz/file/mamibuwonisokoreruv.pdfIn PDF document text
  • https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/4444470292fd497420ee522d103b4ecb/34863340212.pdfIn PDF document text
  • http://openendrep.com/userfiles/files/gisikis.pdfIn PDF document text
  • http://yanartekstil.com/firma/files/8295856109.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/f1b1febd01f889a3234307bcccb1655a/gutekubawenedu.pdfIn PDF document text
  • http://stagegator.scorchmark.com/stagegator/ckfinder/userfiles/files/zibokejadapujuxati.pdfIn PDF document text
  • http://gyogytornasz.hu/editor_up/sutobelifekoritebofadu.pdfIn PDF document text
  • http://atlonnuri.org/UpLoadImage/editer/files/febusudabonejeremusuxot.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/45363382736.pdfIn PDF document text
  • http://aokunoil.com/ckfinder/userfiles/files/49393952108.pdfIn PDF document text
  • http://zanethompson.com/userfiles/file/morijugawunumejumisuz.pdfIn PDF document text
  • http://burfel.ru/upfiles/files/nulovavekon.pdfIn PDF document text
  • http://kompassztuki.pl/Image/files/96659386082.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=types+of+stenographyPDF 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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