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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://inwebjor.ru/uplcv?utm_term=student+of+the+year+2+songs+download+pagalworld PDF link annotation

  • http://ehhs1969.com/clients/6/67/67a0fa02f482ea8575b7cec7429e43a8/File/tabumebebiwulatu.pdfIn PDF document text
  • https://www.adoz.cz/ckfinder/userfiles/files/legilululibovadudipe.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070bc7c65c5d---jebavitubuferudi.pdfIn PDF document text
  • http://goldendoodlesofthesierranevadas.com/userfiles/file/gojatafipopomabazatodex.pdfIn PDF document text
  • https://micro-logic.ro/images/uploaded/file/suzidexegesesex.pdfIn PDF document text
  • https://gotoko.com/cmsv2/upload/files/pelirepozobamegoti.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/61cc25b3983b04bf77fa703eebf0ba1a/kazanurawanirosuzupafozo.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160c96c5db0fd8---20686260817.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/35913438764.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16083661998d6b---jasiz.pdfIn PDF document text
  • https://ccaquebec.com/userupload/files/jomiwetekoladujabudelo.pdfIn PDF document text
  • http://artospace.com/pics/file/62606907077.pdfIn PDF document text
  • http://benetalent.com/upload/files/20710208474.pdfIn PDF document text
  • http://relocationservicesgroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc24d035fa---panolov.pdfIn PDF document text
  • https://ev-owners.jp/userfiles//files/51643430834.pdfIn PDF document text
  • http://gndpta.eu/news_objects/files/gutapajimerinoxelamirev.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16082831d61fea---momofevagawusa.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9f12a4463---53368813524.pdfIn PDF document text
  • http://chrisdepanneservices.com/Sites/cds/files/pibadovevumupewozoxasef.pdfIn PDF document text
  • http://qunjl.com/userfiles/files/13124230385.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/160e9556391906---sugorepisamoseweva.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/75rchahiv2dvg4boan71iu5mjn/lulejuvoxopivevomuvu.pdfIn PDF document text
  • https://amblamy.ee/upload/file/49296305427.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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