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://hongdacable.com/d/files/6733167564.pdf In PDF document text

  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/6a5a753581b3e809e6ac185d9365afbe/26197494579.pdfIn PDF document text
  • http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16155633368915---22957918877.pdfIn PDF document text
  • http://autoscuolauniversale.it/userfiles/files/99192203774.pdfIn PDF document text
  • https://perfectsextherapy.com/public_html/userfiles/file/wapibi.pdfIn PDF document text
  • http://cn-junsheng.com/upload/file///2021922182755008.pdfIn PDF document text
  • http://spbi.cz/res/file/68396505344.pdfIn PDF document text
  • https://feltshoe.com/userfiles/file/zenuxuregud.pdfIn PDF document text
  • http://dynamicyunnan.com/ckfinder/userfiles/files/boxug.pdfIn PDF document text
  • http://citlak.de/admin/UserFiles/file/dinewefudolabafasesisap.pdfIn PDF document text
  • https://gallerylingard.com/uploads/file/bepag.pdfIn PDF document text
  • http://kelkenaghshband.com/app/webroot/img/files/24192496225.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/7303018255.pdfIn PDF document text
  • http://tercovci.cz/files/file/posovixivuwoji.pdfIn PDF document text
  • https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/f09e79836b8d74a3b4b574b00b2b6872/11328122583.pdfIn PDF document text
  • http://hb-hospital.com/file_upload/fck_upfile/file/1027789982.pdfIn PDF document text
  • http://tivatijapan.com/uploads/userfiles/file/64034961910.pdfIn PDF document text
  • http://cornucopiafrederick.com/uploads/files/31537644591.pdfIn PDF document text
  • http://labmansour.com/app/webroot/js/ckfinder/userfiles/files/89129428560.pdfIn PDF document text
  • http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/48083762354.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614ec988178e9---22511740973.pdfIn PDF document text
  • http://www.hz-kontejnery.cz/ckfinder/userfiles/files/58676781989.pdfIn PDF document text
  • http://regiapart.si/uporabnik/file/5629335151.pdfIn PDF document text
  • http://www.pibmg.com.br/ckfinder/userfiles/files/files/vuninegiwufogafulit.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=your+first+and+last+namePDF 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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