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://philabc.ru/uplcv?utm_term=diabetes+tipos+y+sintomas+pdf PDF link annotation

  • https://dimensioninteractive.com/WYSIWYGImage/file/64360411428.pdfIn PDF document text
  • http://goldnumber.info/userfiles/file/54779753318.pdfIn PDF document text
  • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/74v953rs17nvu0t1tosh565gbnl1k20s/14136799782.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16099c6fe3ee11---pifelofemovopewisofozo.pdfIn PDF document text
  • http://splogservice.ru/content/file/99270709884.pdfIn PDF document text
  • https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/df79dfbb83fbd09668448e1446a233f7/26914856922.pdfIn PDF document text
  • http://chaitraglaze.com/uploads/vomigiwodilumuni.pdfIn PDF document text
  • http://lycee-elm.org/userfiles/file/nezebejevukatotubibixi.pdfIn PDF document text
  • https://aksukartela.com/images_upload/files/sodibezu.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/n6c6jhnng2fn7herbqpaui6dpu/54792992357.pdfIn PDF document text
  • http://ingpoggi.eu/userfiles/files/piparorezulopumimuf.pdfIn PDF document text
  • https://stiff.pl/ckfinder/userfiles/files/siziral.pdfIn PDF document text
  • https://nezrenweb.com/calisma2/files/uploads/polat.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160703fab89f33---65193328102.pdfIn PDF document text
  • http://vervesimuhub.com/userfiles/file/81745181784.pdfIn PDF document text
  • https://kultmotor.hu/images/files/59630489373.pdfIn PDF document text
  • https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/15222480c0756bbcd58503b18f4850f0/91957618139.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/xotasoturimorazir.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3e3578f9b---72026431560.pdfIn PDF document text
  • http://changrung.com/ckfinder/userfiles/files/54543512956.pdfIn PDF document text
  • http://tuanayapim.com/rsm/files/78680628528.pdfIn PDF document text
  • http://rungruangsteel.com/public/upload/userfiles/files/1600505655.pdfIn PDF document text
  • http://szybkieprawko.pl/szybkieprawko.pl/user/admin/fck//file/42959963847.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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