Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://pistant.ru/uplcv?utm_term=calendario+inter+2018%2F19+pdf PDF link annotation

  • http://aelma.com/sites/default/userfiles/file/vexovemam.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/kenimopezozubodijakunu.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/sipam.pdfIn PDF document text
  • https://stcc-sa.com/motakamel/Ups/files/4443403537.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607deb882b5ef---32053666522.pdfIn PDF document text
  • https://kemxoi.vn/app/webroot/files/images/pages/files/95723968015.pdfIn PDF document text
  • http://theofficefurniturestore.com/ckfinder/userfiles/files/634100628.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/79920998538.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607c63e9eaca1---45231291659.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8937362363---88935259896.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3803b6dd0a---10200687856.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/jdbc4c37mgd7lpdsnsr7ebldf1/35046534436.pdfIn PDF document text
  • http://womenscouncildallasarboretum.org/clients/85748/File/32324423143.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d990c5722f---rekuzav.pdfIn PDF document text
  • http://odontoflash.eu/userfiles/files/pisefol.pdfIn PDF document text
  • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/93c122988d9e260eb31cd5d82a598a03/39216362217.pdfIn PDF document text
  • https://biharlokmanch.org/userfiles/file/7533240360.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/ae3dd7fc98435144db19958f1204beb3/9623409762.pdfIn PDF document text
  • https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/rildd41i3pi0scvjjra6shj8gf/82878549776.pdfIn PDF document text
  • http://technoculture.cz/admin/upload/file/18087387936.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb9d461194---gimexaxepetixa.pdfIn PDF document text
  • http://sfera-vlad.ru/img/file/33451994897.pdfIn PDF document text
  • https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/d8d2a6d357db28966aa813755347a157/javisosukum.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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