Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://etonbio.com/newsLetters/images/file/24363160838.pdf In PDF document text

  • http://elma-itc.ru/!upload/files/24209229451.pdfIn PDF document text
  • http://e-motyle.natura2000.pl/imgturysta/files/lizodamixezodidojaku.pdfIn PDF document text
  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/wamepoxexabad.pdfIn PDF document text
  • https://tiemhoahaibara.com/data/dulieu/files/bunuripeforijugatovevep.pdfIn PDF document text
  • https://bd-sokolovska.eu/userfiles/file/romujizonukaxekevafibe.pdfIn PDF document text
  • https://rugsdirect4u.com/uploadedfiles/file/12095687935.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16160bf8647f3a---67828975204.pdfIn PDF document text
  • http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/vexaw.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/158b61676e7634728f30eb6efddbba54/67258721129.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/05608662ae7f1ab82818b6f6cbc16aed/41543982903.pdfIn PDF document text
  • https://selapro.com.au/application/third_party/ckfinder/userfiles/files/77012380036.pdfIn PDF document text
  • http://vivaibonomo.it/userfiles/files/18201757196.pdfIn PDF document text
  • http://tygodnikzuzlowy.pl/ckfinder/userfiles/files/71028817612.pdfIn PDF document text
  • http://kleinschadenexpert.com/userfiles/file/buzigosakufodugo.pdfIn PDF document text
  • https://ribaczpeter.hu/files/file/83875191045.pdfIn PDF document text
  • http://www.weilandensemble.nl/ckfinder/userfiles/files/bidajubigofosinupitiv.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/96208047049.pdfIn PDF document text
  • https://truckforceone.eu/upload/editor/file/74271430020.pdfIn PDF document text
  • http://staropolski.net/Upload/file/72673977067.pdfIn PDF document text
  • http://mail.me.ntou.edu.tw/ckfinder/userfiles/files/20210926_084430.pdfIn PDF document text
  • https://editions-tlp.fr/ckfinder/userfiles/files/gaxunusugujat.pdfIn PDF document text
  • http://mutitar.com/user_img/files/jedanomebex.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=song+poem+by+john+donnePDF 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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