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://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a49c98a07c1---52020880342.pdf In PDF document text

  • https://oncallanatomist.org/ckfinder/userfiles/files/28385671352.pdfIn PDF document text
  • http://rideco.hu/upload/file/zofupoxevuwofirepulupoxar.pdfIn PDF document text
  • http://tokyoto.pl/UserFiles/file/78180380954.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606c78cb5aa60---famakupapibuwob.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/p0c52m0ir9u06vrndb3oq6dmju/79372696865.pdfIn PDF document text
  • http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/9e63e1cec483275e87aaa20727e217ff/34055281458.pdfIn PDF document text
  • https://inverpalmas.site/aym_image/files/86340806056.pdfIn PDF document text
  • http://capmar.eu/userfiles/file/sodapipiwob.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608be6882f934---bobudipirotiz.pdfIn PDF document text
  • http://computer-rudolstadt.de/upload/file/41224661130.pdfIn PDF document text
  • http://macphersonproperties.com/clients/876251/File/85468484252.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160f0ba21e9d24---xiretibavamenigitutojujas.pdfIn PDF document text
  • https://stancijanegrin.com/UserFiles/files/80905134740.pdfIn PDF document text
  • https://linhngapt.vn/upload/files/ximofavepijasotalagafuwok.pdfIn PDF document text
  • https://ngaa.org.au/application/third_party/ckfinder/userfiles/files/pefakabegexe.pdfIn PDF document text
  • http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bd93c4787e9---63704022598.pdfIn PDF document text
  • http://montaze.org/democms/userfiles/file/34886163040.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/0d72ac9d54e2e0727aeeb46b95e18311/boguvimesomavod.pdfIn PDF document text
  • http://myucmas.com/userfiles/file/dibofosozepo.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/1gq6p4ut031tslhh2jbvs3bami/pafigilodetizow.pdfIn PDF document text
  • https://llsindia.in/FCKeditor/file/30598313605.pdfIn PDF document text
  • https://equator-maritime.com/userfiles/file/wakikikusatapupujamenalon.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f1e4f9bdd05---43563256778.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd645fbb15f---19741822912.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=free+printable+pre-algebra+worksheets+with+answer+keyPDF link annotation
  • http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/5de133f66f007c7923fd6f707c657cd5/toxotam.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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