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
• 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.
• 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://philabc.ru/uplcv?utm_term=sandbox+games+on+android PDF link annotation

  • https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/zesemufegipadule.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143c97048e9e---fikarafikitubuwiboset.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/fkb2trb82un172dp96g8ncgls2/tuderofekeji.pdfIn PDF document text
  • http://balbu.eu/uploads/news/file/refubi.pdfIn PDF document text
  • https://mama-light.net/business_school/uploads/file/lafefatobuxozujejosuj.pdfIn PDF document text
  • https://mk-sito.it/uploads/file/38536583562.pdfIn PDF document text
  • https://holcom-wd.com/webroot/img/files/44881849511.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/38cbd152ea3c8a34ea3ac2da996093f5/bukusiligirubafawafalin.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146da7b21bd0---gepadudaworamajes.pdfIn PDF document text
  • https://alnahamgroup.com/userfiles/file/nijebagobozajuza.pdfIn PDF document text
  • http://vandervalk.reviews/app/webroot/files/userfiles/files/96625272561.pdfIn PDF document text
  • http://saigonford3s.com/uploads/2021-09-08/images/files/98288416771.pdfIn PDF document text
  • https://nstoplana.rs/ckfinder/userfiles/files/34506568116.pdfIn PDF document text
  • https://snpwachq.com/files/js/ckfinder/userfiles/files/zepikuvipemotixisovefiji.pdfIn PDF document text
  • http://holmeslawfirm-iowa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/42575813034.pdfIn PDF document text
  • http://kasintorn.com/images/upload/files/xefisizelusov.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161447384b6d06---nagerifipoberitor.pdfIn PDF document text
  • http://galerie45.com/userfiles/file/99036269208.pdfIn PDF document text
  • http://printific.com/images/contentimages/files/41115811704.pdfIn PDF document text
  • http://energywork.pl/userfiles/file/99089266769.pdfIn PDF document text
  • https://drticket.ir/basefile/drtiketcom/files/vesidinotet.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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