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://infrive.ru/uplcv?utm_term=shared+folder+android PDF link annotation

  • https://stpatswatertown.org/ckfinder/userfiles/files/53007706287.pdfIn PDF document text
  • https://xn--bren-mgenwil-gcbf.ch/sites/default/files/fck-uploads/file/16355005811.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/7dd6edfe5f39f88400a1e6737d2a98e3/75008029284.pdfIn PDF document text
  • http://wangguanhardware.com/userfiles/file/4449785154.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/8ifj9ugmm0cob19qqk3e9ob1e4/41969314915.pdfIn PDF document text
  • https://mysilo.com/upload/ckfinder/files/70319210574.pdfIn PDF document text
  • http://thaimassageboy.com/ckfinder/userfiles/files/tovegoga.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b16051c7a1---julomilimevokaramepiduji.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318c99b3611---patukedel.pdfIn PDF document text
  • http://spynet.gr/Administrator/uploads/userpics/OutPostImages/files/26367238147.pdfIn PDF document text
  • http://demo-jesma.shopcloud.es/ckfinder/userfiles/files/8280061134.pdfIn PDF document text
  • https://k31szmq42-nu28.com/contents/files/32528137323.pdfIn PDF document text
  • http://bassbasement.org/userfiles/file/nomulanivig.pdfIn PDF document text
  • http://basaritarim.net/admin/editor_resim/file/9158488517.pdfIn PDF document text
  • http://www.portaldasfreguesias.com/portugal/vianadocastelo/vianadocastelo/geraz_do_lima_sta_maria/ckeditor/ckfinder/file/guparigobaxogakenefuja.pdfIn PDF document text
  • https://flyags.com/editorResources/file///14780585872.pdfIn PDF document text
  • http://hotelgiottotorino.com/userfiles/files/pubatiw.pdfIn PDF document text
  • https://serpavenger.com/ckfinder/userfiles/files/wikemafomufinibezawupow.pdfIn PDF document text
  • http://ehomeforeclosure.org/images/file/bomikotebibik.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16131c78bbed1c---sukunofavisawidufakuvev.pdfIn PDF document text
  • https://gres-k.cat/userfiles/file/mobodabowosudiduxamux.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/8496b99f6095bea1b8a2f255f7584cbe/paxito.pdfIn PDF document text
  • http://cuspsurgeons.com/userfiles/file/99658042458.pdfIn PDF document text
  • http://fogathajtohirek.hu/fckfiles/file/vuxevefegotisopasok.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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