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://coretry.ru/uplcv?utm_term=livescore+android+app+download PDF link annotation

  • http://shopphutungmayphat.com/upload/img/files/sugej.pdfIn PDF document text
  • http://domplus.su/userfiles/files/bidesozajesedisivunog.pdfIn PDF document text
  • http://bugskin.org/userfiles/file/87151396087.pdfIn PDF document text
  • https://gberwanda.com/gbe/useruploads/blogs/files/wanumunefewezorebezes.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/5fef12d2bf4c9870a6f82cd8c9e37500/bowakarufeg.pdfIn PDF document text
  • http://futurepoolandspa.com/ckfinder/userfiles/files/fividivavasetovajulal.pdfIn PDF document text
  • http://centroolosprato.it/userfiles/files/pudemi.pdfIn PDF document text
  • https://kolorubursztynu.kolorubursztynu.pl/web/uploads/files/60217478046.pdfIn PDF document text
  • http://indcms.testingmachines.com/images/file/xabekafezig.pdfIn PDF document text
  • http://scsychem.com/upload/files/65153822218.pdfIn PDF document text
  • http://aolisenjiancai.com/data/files/75138037493.pdfIn PDF document text
  • https://nanyangtextile.com/userfiles/file/11125333488.pdfIn PDF document text
  • http://igigeothermal.jp/userfiles/file/kekofovitejadelolakule.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0126674fb---34677641540.pdfIn PDF document text
  • https://galaxy-training.com/userfiles/file/24822853206.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/bojidagawigev.pdfIn PDF document text
  • http://scsychem.com/upload/files/dalekaxirudi.pdfIn PDF document text
  • http://sieuthibds.net/images/files/wumereki.pdfIn PDF document text
  • https://www.esfa.bg/root/ckfinder/userfiles/files/jadozimekozolozevojav.pdfIn PDF document text
  • http://elitsatodorova.com/uploadfiles/file/jejebigikezotemixu.pdfIn PDF document text
  • https://tannhatviet.vn/upload/files/83035579519.pdfIn PDF document text
  • http://dentalweek.eu/userfiles/files/59576569416.pdfIn PDF document text
  • https://thaibamboorestaurant.ca/phpsites/bard_ford/uploads/file/92998450317.pdfIn PDF document text
  • http://anshan56.cn/userfiles/file/16311108561422154423.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132ca92428c7---zuzovubevajasijumozokene.pdfIn PDF document text
  • http://skybuildinfraprojects.com/uploads/gaxofovo.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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