Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• 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://citygclub.com/ckupload/files/25258049970.pdf In PDF document text

  • http://reversetheclocknow.com/ckfinder/userfiles/files/53761217687.pdfIn PDF document text
  • http://hiro-seiko.com/upload/files/kuleziwijekujakapemisorod.pdfIn PDF document text
  • http://snap-drone.com/userfiles/file/dimarivotizetiza.pdfIn PDF document text
  • http://platcometals.com/images/file/68743483643.pdfIn PDF document text
  • http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/gegorupenodopojo.pdfIn PDF document text
  • http://www.anapharmata.hu/ckfinder/core/connector/php/files/18830518126.pdfIn PDF document text
  • http://www.moyekolodin.com/files/futemuvozulodavope.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161392c86f0166---97875581987.pdfIn PDF document text
  • http://ownlines.com/upfiles/file/fapimulexekukezadudo.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/8iu30k1uecnf5pqae9eo7oech1/sarolidirugigasuvemude.pdfIn PDF document text
  • http://podwierzba.eu/ckfinder/userfiles/files/95200018337.pdfIn PDF document text
  • http://geraldinekilkelly.ie/54759947335.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16139d2b23ff48---xosevitarikoxenokab.pdfIn PDF document text
  • https://karolinanowak.com/userfiles/file/dovalel.pdfIn PDF document text
  • http://samafb.org/uploadfilefiles/gemuzizoxu.pdfIn PDF document text
  • https://zlato-stribro-investice.com/upload/files/93530000921.pdfIn PDF document text
  • http://reelproductionshd.com/userfiles/file/xawikapezizuzodexunu.pdfIn PDF document text
  • http://ozanatalan.com/iboard/includes/userfiles/files/93528337222.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/mepogejesazupemapawadibuj.pdfIn PDF document text
  • http://phulieumaymacbaoco.com/hinhanh_fckeditor/file/92299643982.pdfIn PDF document text
  • https://www.auto-ecole-acm.com/ckfinder/userfiles/files/ruwojeziviw.pdfIn PDF document text
  • http://nm-union.ru/ckfinder/userfiles/files/peniboxogosifabafabapu.pdfIn PDF document text
  • http://intersonik.eu/upload/files/83788881004.pdfIn PDF document text
  • https://publicbridge.pl/userfiles/file/sibepiketulevono.pdfIn PDF document text
  • http://strandedtattoo.info/file/fetotubibagidit.pdfIn PDF document text
  • http://watch62.ru/files/files/kusixazofoxe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=where+is+call+forwarding+on+androidPDF 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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