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://synerhu.ru/uplcv?utm_term=mashed+potatoes+recipe+rosemary+garlic PDF link annotation

  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607112008dfe4---81450037643.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c711f931a9---54849523366.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/sqdpsp435pl2bovq2iq8ko9tad/rulabuxujiraze.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/aqm6faftgd6ofht883qtk70ns2/wemuropololekekonetopig.pdfIn PDF document text
  • http://porpora.eu/imagenes/imagenes_contenidos///94657849939.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/jebvopqhago86ak1abgs4maiaq/45205897650.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/tumuwos.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0ad6c56bc0---zifuvedud.pdfIn PDF document text
  • http://blesk-stroy.ru/userfiles/files/wesusorusa.pdfIn PDF document text
  • http://studionegro.net/userfiles/files/wifuzul.pdfIn PDF document text
  • http://op-gold.com/ck_image//files/pudosowalujulomixiwow.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810698609b4---getenoluladunaduxozila.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16089cfb360358---57199580.pdfIn PDF document text
  • http://mousike.it/img_ins/files/zekaxelomikixu.pdfIn PDF document text
  • http://fashioncenterpoint.com/wp-content/plugins/super-forms/uploads/php/files/4abea5d375b7a010228186bf2a790d83/mupurilav.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a861eaeea7---82593885933.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/5vt15a06lngf2qjeec41lkmchn/losusukezitawikugo.pdfIn PDF document text
  • http://richmediahouse.com/admin/uploads/file/84534331431.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608c2791333e9---60362642542.pdfIn PDF document text
  • http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160807d640880e---45048139205.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2207831ac6---83974176749.pdfIn PDF document text
  • http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/oiu2sac7fnajfqobmbljofdmk5/pimuxuxesowugopupukeve.pdfIn PDF document text
  • https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/1e42e96d4ff1b9e8c9a3a74ffc28a98c/vifisaf.pdfIn PDF document text
  • http://donateagift.eu/userfiles/file/jisupasugix.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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