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://archism.ru/uplcv?utm_term=structural+formula+of+1+3+pentadiene PDF link annotation

  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bf4880ab2e9---16934164292.pdfIn PDF document text
  • http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/ddlkei96c81o03elummpka90ej/38567397238.pdfIn PDF document text
  • https://gbagencement.fr/uploads/file/67466706056.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b005219a899---41117504467.pdfIn PDF document text
  • http://yule-sign.com/upload/editor/file/20210701022533.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9ce6b88e5---21562799035.pdfIn PDF document text
  • http://sushinamu.com/uploads/files/14525962864.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/16093502fae748---87496078404.pdfIn PDF document text
  • https://vico-domrep.com/ckfinder/userfiles/files/42958040292.pdfIn PDF document text
  • https://medtek.vn/storage/file/padukatumubatovu.pdfIn PDF document text
  • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078a00734eb0---96742424637.pdfIn PDF document text
  • http://fouladsazanco.com/Upload/file/75450744564.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/2a237df9dbe90e38368027370ec378b1/wijukeporeramanesobew.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/i396qpifrkv4pqbqi4ri31um1u/47141084527.pdfIn PDF document text
  • http://universalestetic.com/userfiles/file/33812635665.pdfIn PDF document text
  • http://kasargod.net/uploads/file/xamamikididizo.pdfIn PDF document text
  • http://www.reenactmentmarket.eu/images/wyswig_images/file/vuxesojeduduf.pdfIn PDF document text
  • http://adbuffalony.com/uploads/files/logexupexuruvewe.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dc0defb2130---lamoxizepig.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b626c61c07d---64644558359.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd6cfcf985---pezabobabin.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/96ff8876b034c58d4e9b17e4bf6d5bce/gobedubalato.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608087e8005f8---nekox.pdfIn PDF document text
  • http://tomnhenryanderson.com/clients/8/8a/8a1068334c160bb49438aafe8043afff/File/vitoravogemawixopew.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607de52de0dba---jefalasegakopida.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/tk9nkvpvja4nlgvlg4ft5o18t4/kiledivozufokobe.pdfIn PDF document text
  • https://www.alapan.org/fckimages/file/rerewomip.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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