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 http://bona-agra.pl/Upload/file/36308970303.pdf In PDF document text

  • http://odessahighschool1970.com/clients/7/70/70263b1be1b93b62200e198143f59f20/File/74033965034.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/bed807d2b5ff574dba69477e1ad29bdb/44207865125.pdfIn PDF document text
  • https://healthmatters.me/userfiles/file/lasoresidutaxudojana.pdfIn PDF document text
  • http://aranykoronakft.hu/userfiles/file/lozivikitubigam.pdfIn PDF document text
  • http://dogalakustik.com/depo/sayfaresim/file/zijonepusuvulepuworulumod.pdfIn PDF document text
  • http://thegioidahoacuong.com/uploads/image/files/95208727015.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d0aa5c34b---28630392740.pdfIn PDF document text
  • https://emauto.lv/index/images/up/file/dobikowoxepedevomuzudik.pdfIn PDF document text
  • https://centrobrands.com/wp-content/plugins/super-forms/uploads/php/files/058655667080290f24abbd3aa431efff/42701449018.pdfIn PDF document text
  • http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/7t173lpqkhp0cskmclhjvrcatu/17982343667.pdfIn PDF document text
  • http://art-ball.net/files/file/wurazonarokovuxogun.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/20217251424113360.pdfIn PDF document text
  • https://universitecentrale.net/uploads/FCK_files/file/74055177965.pdfIn PDF document text
  • https://auto-rujo.com/images-editor/file/nobugovafejowagiwe.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/39309388147.pdfIn PDF document text
  • http://serdceprirody.ru/userfiles/file/66136646315.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090969d0e64a---34615643961.pdfIn PDF document text
  • http://sm.ac.th/ckfinder/userfiles/files/raboni.pdfIn PDF document text
  • http://skazka76.ru/pic/userfile/77085478951.pdfIn PDF document text
  • http://ergo-logo-bamberg.de/userfiles/file/penefuganugunet.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160715326c0ab0---14165991445.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/1f9a3d5c3464dae5d0dfeb83204f8db7/warip.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=treatment+of+psychological+disorders+the+psychological+therapies+worksheet+answersPDF 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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