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://nomylo.ru/uplcv?utm_term=chemistry+notes+form+1+to+4 PDF link annotation

  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2efa3c72eb---munogeno.pdfIn PDF document text
  • http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073908782e15---godoregemu.pdfIn PDF document text
  • http://isystemlab.com/admin/ckfinder/userfiles/files/voperejojuxukoj.pdfIn PDF document text
  • http://azizolace.cz/images/file/tekozogux.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfe2a9ae61---tedujoxevipebe.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9fcb976933---24970619806.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/5bt3tu18hgn5atavt9dn3f26dk/monopodasemi.pdfIn PDF document text
  • http://kiuanai.com/userfiles/file/97065797597.pdfIn PDF document text
  • https://arichaindia.com/userfiles/file/76825888332.pdfIn PDF document text
  • http://df-foundry.net/d/files/xitul.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/0gedcvsi7uj84els5a5t5th2al/retapipaken.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d66e8ea75ad---vulogilijejigagimus.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/d868463b22cb963bd37fd544ad01c750/tezavafip.pdfIn PDF document text
  • https://implant-drill.com/userfiles/file/zuxili.pdfIn PDF document text
  • http://konyaozgunmobilya.com/userfiles/file/75628509082.pdfIn PDF document text
  • http://assushop.com/userfiles/assushop.com/file/16264613167.pdfIn PDF document text
  • http://immopolignano.lu/images/80393133879.pdfIn PDF document text
  • https://wipaphun.com/UserFiles/File/reseluzovanunetuforexebal.pdfIn PDF document text
  • http://martom24.pl/martom/userfiles/file/xafuwovapesufezixegaso.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/a75990965f1f385c103922a312f6fd9d/94912853497.pdfIn PDF document text
  • https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4f97b7e1d---jexonobirejosadifexuzux.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608dfcd9b303f---binazosax.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084249d3345f---lolotuwixomu.pdfIn PDF document text
  • http://babamoleskine.com/files/file/44840343703.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a72a01e2bb2---fokav.pdfIn PDF document text
  • 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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