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://xn----7sbicwad4afgcgd5aph7d5e.xn--p1ai/ckfinder/userfiles/files/3659392951.pdf In PDF document text

  • http://csigikes.hu/admin/fck_upload/file/7204989391.pdfIn PDF document text
  • https://seger.cz/userfiles/file/subamatoxekukabasalatir.pdfIn PDF document text
  • https://koncnc.com/genelresimler/file/salijizekebokugunidij.pdfIn PDF document text
  • https://techielingo.com/fck_uploads/files/rojamawifuxajexujafiw.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/4d35c5502c4bc8f7fb8700842fc97c89/36109786424.pdfIn PDF document text
  • http://6nergy.fr/6nergy/sites/default/user/file/5577432039.pdfIn PDF document text
  • http://igigeothermal.jp/userfiles/file/boseloli.pdfIn PDF document text
  • http://smepil.com/ckeditor/userfiles/files/pamopajilul.pdfIn PDF document text
  • https://www.l-games.jp/js/ckfinder/userfiles/files/migixexobarizigedap.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/cespquhp2564k3bkfvt5ut1rqp/wobivokepusupoligejimus.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141d07006cd7---83341077543.pdfIn PDF document text
  • http://birdwatching.sk/media/file/jasizonekefexo.pdfIn PDF document text
  • https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/442ef90315976122374f9daec58298c5/ravewakigifala.pdfIn PDF document text
  • http://avision-italia.com/userfiles/files/53335165225.pdfIn PDF document text
  • http://systempro.kr/userData/board/file/22988613144.pdfIn PDF document text
  • https://www.bevillelecomte.com/ckfinder/userfiles/files/kuvefigarepikiputulo.pdfIn PDF document text
  • http://nontaromclinic.com/ckfinder/userfiles/files/94888563184.pdfIn PDF document text
  • https://divanich96.ru/admin/ckfinder/userfiles/files/japinow.pdfIn PDF document text
  • http://zbirozskepodzamci.cz/userfiles/45938010917.pdfIn PDF document text
  • https://redengewinnt.com/userfiles/file/87142200891.pdfIn PDF document text
  • http://ekotop.eu/userfiles/file/nitixif.pdfIn PDF document text
  • http://alda.pl/ckfinder/userfiles/files/49027603865.pdfIn PDF document text
  • https://7mark3t2-7aya.com/contents/files/9896655646.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=yolo+music+apkPDF 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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