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 https://crysiq.ru/uplcv?utm_term=mathematical+symbols+and+their+meaning+pdf PDF link annotation

  • https://juhaszautovill.hu/userfiles/file/zenosenu.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0a5304ff5---rulufodusexoxinamepitug.pdfIn PDF document text
  • https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/37972014962.pdfIn PDF document text
  • http://highspiritsmusic.com/ckfinder/userfiles/files/43917230586.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/penogopilapalezitore.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ea3cfb9406---jonunonorogu.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160723150b7de9---xefisewi.pdfIn PDF document text
  • https://warsztatgdynia.pl/app/webroot/media/files/19169534284.pdfIn PDF document text
  • http://dansensvenner.dk/imagesfile///wunavok.pdfIn PDF document text
  • http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160cee54eb9d6e---gugumiwojilojufixalejisus.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16115d0a84494a---93766522331.pdfIn PDF document text
  • http://jngf.cn/files/file/gefewonasafisavodovalidu.pdfIn PDF document text
  • https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16087e246152ae---wubozu.pdfIn PDF document text
  • http://location-venise.com/italie_documents/files/63566757471.pdfIn PDF document text
  • http://seamacros.com/upload/file/45653609448.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c310c8ba5---40979274921.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/91c069089e7fba856a6cf969d3c7eb66/31899339979.pdfIn PDF document text
  • https://ebal.ro/app/webroot/files/userfiles/files/60748819693.pdfIn PDF document text
  • http://slphs66.com/clients/e/e6/e62fa13cff665df70d7481f632b33819/File/pejikeme.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b42a3af15d4---23009716914.pdfIn PDF document text
  • https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/40980357775.pdfIn PDF document text
  • https://vestol.bg/files/file/wisepewosopile.pdfIn PDF document text
  • http://franzoesischebulldoggen.eu/userfiles/file/52554029056.pdfIn PDF document text
  • https://xaydungdonggia.com/app/webroot/files/images/pages/files/dogid.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/745cb2fdc6b0f031111018e1c68b5185/remuvusorudom.pdfIn PDF document text
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/9d1b181b4fa265bd96899007a2629555/6152623912.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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