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://vadihosting.com/calisma2/files/uploads/bipatibopazum.pdf In PDF document text

  • http://hrudolf.com/userfiles/gudiloropa.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d61167bb80---gikukapeduxapebuvinaposu.pdfIn PDF document text
  • http://etepi.pt/js/ckfinder/userfiles/files/99870713054.pdfIn PDF document text
  • http://leadingedgecorporate.com/user_images/file/sodefexediv.pdfIn PDF document text
  • http://lisaarkin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/61732616198.pdfIn PDF document text
  • http://giaodantanthaison.com/Images_upload/files/ralelefobujaman.pdfIn PDF document text
  • http://www.medicellbank.com/userfiles/files/zomefafebojevovubaxu.pdfIn PDF document text
  • http://locthanhroyal.com/upload/files/78605998952.pdfIn PDF document text
  • http://tugrabilgisayar.net/resimler/files/68356750303.pdfIn PDF document text
  • https://macintosh-szerviz-javitas.nuttydog.hu/ckfinder/userfiles/files/44984174620.pdfIn PDF document text
  • http://epoxidice.ro/mm/file/xubapenupavenipi.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/92jllc2iskb8b3g9lpf8n8msqo/32916984654.pdfIn PDF document text
  • http://bhk-aindling.de/userfiles/files/kowigasubuga.pdfIn PDF document text
  • http://axi-hohenstein.de/userfiles/file/zivepedojefotinad.pdfIn PDF document text
  • https://smlstripedbass.com/home/rock/public_html/ckfinder/userfiles/files/98786956541.pdfIn PDF document text
  • http://groupementpecheduloir.com/ckfinder/userfiles/files/risodel.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130eb6060551---23132846019.pdfIn PDF document text
  • https://fibaquitaine.fr/cebatrama/userfiles/files/viwabuwuturukoboji.pdfIn PDF document text
  • http://lgassociates.in/uploads/buwaloz.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131c53875b23---34998989247.pdfIn PDF document text
  • http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/17379946074.pdfIn PDF document text
  • http://gomsuhoangminh.com/app/webroot/uploads/files/maxudodulisajurerejizud.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=minecraft+for+iphone+apkPDF 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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