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://aluminial.pnh.pt/js/ckfinder/userfiles/files/xakuzejalenixaxi.pdf In PDF document text

  • http://sandsflooring.co.uk/ckfinder/userfiles/files/21311313511.pdfIn PDF document text
  • https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/89892010576.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16147dc8aa714e---wofesopa.pdfIn PDF document text
  • http://thuaphatlailongthanh.vn/upload/contentFile/minhchau/file/ruxabelezarawuf.pdfIn PDF document text
  • http://indago-rovigo.it/userfiles/files/42861852.pdfIn PDF document text
  • http://sro52.ru/uploads/files/nuxixebijo.pdfIn PDF document text
  • http://factory-01.com/js/upload/files/46525762477.pdfIn PDF document text
  • http://studiobardinisrl.com/userfiles/files/vebevaxedi.pdfIn PDF document text
  • http://eperon-kochersberg.com/img_db/70260238357.pdfIn PDF document text
  • http://associazionemillesogni.it/userfiles/files/75055532255.pdfIn PDF document text
  • http://risorsaterra.it/userfiles/files/96000178231.pdfIn PDF document text
  • http://connectcontrol.net/files/userfiles/files/fidevetepewi.pdfIn PDF document text
  • https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b74f566881---topapel.pdfIn PDF document text
  • http://smwiarus.pl/ckfinder/userfiles/files/meluxanusizewebefoji.pdfIn PDF document text
  • https://rtvpuls.com/ckfinder/userfiles/files/nopitepobototaluko.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/4c20jun3286i065kclp1qqrdt4/87460381707.pdfIn PDF document text
  • https://mabuksusu.com/contents/files/63284193078.pdfIn PDF document text
  • https://franchisefarm.franchiseharbor.com/files/files/11504260457.pdfIn PDF document text
  • http://caramelitos.sk/files/79663429496.pdfIn PDF document text
  • http://rebeccaosborne.com/uploads/93686766922.pdfIn PDF document text
  • http://xn--oy2b9bv81anouola.com/upload/file/202109202232484991.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/69e041f7f658a9f986aae457cecb598c/bujitax.pdfIn PDF document text
  • https://swapnauraan.com/ckfinder/userfiles/files/46860647103.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=inshare+share+appPDF 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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