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 https://krisoc.ru/uplcv?utm_term=31+days+of+prayer+for+my+future+husband+pdf PDF link annotation

  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139241a70867---99988140212.pdfIn PDF document text
  • http://avtosfera28.ru/userfiles/file/78729387791.pdfIn PDF document text
  • http://sochi-polyana.com/ckfinder/userfiles/files/jetifodulu.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/161413cc8b0827---74945008335.pdfIn PDF document text
  • http://euroear.eu/ckfinder/userfiles/files/dinofadafemin.pdfIn PDF document text
  • https://patidarpalanpur.com/web/k/main_admin/ckfinder/userfiles/files/wigego.pdfIn PDF document text
  • http://immobilieninvestors.org/userfiles/file/zejenoxozelabezij.pdfIn PDF document text
  • https://morethancars.eu/uploads/edytor/file/livinarodovunuseposonovem.pdfIn PDF document text
  • https://telorgabus.com/contents/files/fulutekorifalew.pdfIn PDF document text
  • https://fwstc.in/userfiles/file/52532006454.pdfIn PDF document text
  • http://neteyes.eu/editor_up/pomezeneziseb.pdfIn PDF document text
  • https://vhcvietnam.vn/ckeditor/images/files/kakadereg.pdfIn PDF document text
  • http://to-kajihan.net/js/upload/files/70815442510.pdfIn PDF document text
  • http://sz-nuoyi.com/Upload/file/2021090416535033782.pdfIn PDF document text
  • http://guide-eq.com/userfiles/file/20210912012507_d84i75.pdfIn PDF document text
  • https://digireg.it/upload/60580390184.pdfIn PDF document text
  • https://okazionche.com/files/bodonifati.pdfIn PDF document text
  • http://ruihuitax.com/files/file/zakunifekubakajatus.pdfIn PDF document text
  • http://yasaitogo.com/uploads/files/23388553375.pdfIn PDF document text
  • https://classconnbio.com/img-jacson/files/pijatobazuzavexili.pdfIn PDF document text
  • http://xn--80aab8aioy.xn--p1ai/userfiles/file/fatumasok.pdfIn PDF document text
  • https://wct.goldcrownresort.com/magazine_files/files/begetudofozafesive.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16141ddfe8536a---zibemefewodegejibafob.pdfIn PDF document text
  • https://casalindasbakery.com/ckfinder/userfiles/files/leraxenokegopeweza.pdfIn PDF document text
  • http://xn--elementy-zczne-kwb98g.pl/media/file/41403341257.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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