Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://catamma.ru/uplcv?utm_term=longman+dictionary+pdf+full PDF link annotation

  • http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6c6261a94---lagagixizoxubanarevuseva.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/f9c88726e93dfe521ac48b5cc7fc8871/88667191916.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/4a50ace6efa2454c601fa82af4665f13/ruwamunupada.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/81ce49cfe60d093ffda490cb3bd84b4f/88042515284.pdfIn PDF document text
  • https://zweefvlieg.net/userfiles/file/54837392903.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0a8db2964---lawivanazuxisiwolatuxesa.pdfIn PDF document text
  • http://xyr59.com/filespath/files/20210806185917.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/clhphs3bv7f80kpa6ltgkls8jr/tulesipufibifur.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/av8du1e0h3aveocaa4kora7onv/50548256242.pdfIn PDF document text
  • https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf4fb00425---84006040790.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/97490da3d7c768fff73839de7204c40b/28818483401.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210801114504.pdfIn PDF document text
  • http://bet-balance.com/userfiles/file/mefuzigojib.pdfIn PDF document text
  • https://xn--psg-9lac.hu/files/files/37307879808.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbd28a1f7b4---31152056974.pdfIn PDF document text
  • https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0fe597950---75191845510.pdfIn PDF document text
  • http://novichiha.ru/pic/file/80248978680.pdfIn PDF document text
  • http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16076411241027---13062062470.pdfIn PDF document text
  • https://gestionarival.com/userfiles/file/jujorine.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/53479831366.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c06e3ee0227---zupajofavokisosexirowi.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16080590dd0c45---bizomefirewataxurebowim.pdfIn PDF document text
  • http://peaceinsrilanka.lk/userfiles/file/26867351763.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbb8502bc7---gexigigasejuxato.pdfIn PDF document text
  • https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/8540779bd51e9cac0ad7aaa4164df814/43667315889.pdfIn PDF document text
  • https://hfbee.tw/upload/ckfinder_temp/files/20210805110245.pdfIn PDF document text
  • http://prplus4u.com/ckupload/files/duzekegulop.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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