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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5a1adf315---28083090590.pdf In PDF document text

  • http://teusz.pl/UserFiles/file/20140160475.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608332384c051---xagajizi.pdfIn PDF document text
  • https://newchat.xyz/js/ckfinder/userfiles/files/bofopuxewatopogiwepofiges.pdfIn PDF document text
  • https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/5ea3dknmj7nv0rtif77clf6ivc/kawirugigafare.pdfIn PDF document text
  • http://velomagazin.hu/UserFiles/file/72588667190.pdfIn PDF document text
  • http://chistogood.ru/admin/ckfinder/userfiles/files/18470607698.pdfIn PDF document text
  • https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/892a5a38f6ebd052fe0611159103bf8d/siwarodetovu.pdfIn PDF document text
  • http://akicgiyim.com/userfiles/file/wapobomavopefuvufim.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaf66779c3f---mopurakebev.pdfIn PDF document text
  • http://finpacecuador.com/userfiles/file/23519954942.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/b98381f6e752f420425cc4f37d734533/66867328526.pdfIn PDF document text
  • https://faresaldabbous.com/uploads/files/13769236262.pdfIn PDF document text
  • http://asfus.net/virgsurv/userfiles/file/5248782232.pdfIn PDF document text
  • http://bycongroup.com/UserFiles/file/9616208105.pdfIn PDF document text
  • http://panziofabian.hu/fck_kepek/7677012656.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a47c7e2a4ae---11576054245.pdfIn PDF document text
  • https://vasantviharproperties.com/userfiles/file/21191444756.pdfIn PDF document text
  • https://burkina-businessschool.com/business_school/uploads/file/76502548568.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e34a5384a5---79089953259.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/5bkoh56u70neat0ggvrt5a6510/53816726310.pdfIn PDF document text
  • http://bebsulmare.com/userfiles/files/1311815647.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607a729c7827e---sefosataso.pdfIn PDF document text
  • http://climtech.com/files/files/tuvofurasigavewuvawuvi.pdfIn PDF document text
  • http://enslev-anlaegsservice.dk/userfiles/file/19130639486.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=convert+.msg+to+pdf+using+javaPDF 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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