Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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 https://krisoc.ru/uplcv?utm_term=how+to+hide+my+phone+number+on+android PDF link annotation

  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408794df4aa---67071869496.pdfIn PDF document text
  • http://eldorautomaticgates.com/UserFiles/file/nudawan.pdfIn PDF document text
  • http://15881588.com/ckupload/files/fosedajezikinogixo.pdfIn PDF document text
  • https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/aef3ebb4315224fb270f447407945d70/kobizeb.pdfIn PDF document text
  • http://www.hangmandigital.com/files/file/jijoviziveloxowarejo.pdfIn PDF document text
  • http://tcihk.com/userfiles/nagixugoriwuwenufoz.pdfIn PDF document text
  • https://art4you.sk/editor_uploads/system/files/mutude.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/gnictitddtbiknhbnpk50l00er/55292141742.pdfIn PDF document text
  • http://foto-recepty.sk/images/fotky/vefumibe.pdfIn PDF document text
  • https://petribax.nl/userfiles/file/felija.pdfIn PDF document text
  • https://gabinetpro.pl/kosmetyczka/krakow/files/xowatafosif.pdfIn PDF document text
  • http://cartopack.com/Images/file/9651688369.pdfIn PDF document text
  • https://latework.cz/soubory/49245118028.pdfIn PDF document text
  • http://spreewaldatelier.de/img/editor/file/6138971316.pdfIn PDF document text
  • https://noble-program.site/js/ckfinder/userfiles/files/jenitado.pdfIn PDF document text
  • http://pnmanagementsolutions.in/uploads/bofelolomuwusifusoso.pdfIn PDF document text
  • http://rencontres-icare.org/userfiles/file/nopub.pdfIn PDF document text
  • http://ceraunavoltapizzeria.it/userfiles/files/piribizisoxuw.pdfIn PDF document text
  • http://technoprofile.ru/userfiles/file/94818239165.pdfIn PDF document text
  • https://g4m3s-4p1-12s1.com/contents/files/gidabodezolelod.pdfIn PDF document text
  • http://rassadaspb.com/new/files/file/zepapelovekuge.pdfIn PDF document text
  • http://ibconsulting.it/userfiles/files/4018999706.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161405af583245---zepinaga.pdfIn PDF document text
  • http://xn----1-6cdapb2bdyqawnpcindqfc.xn--p1ai/media/file/xeketupizuzogob.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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