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
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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://gotoko.com/cmsv2/upload/files/dizixakimagorinipaji.pdf In PDF document text

  • http://biznesfishki.ru/files/userfiles/files/76236961805.pdfIn PDF document text
  • http://ipai-bg.eu/img/file/22060579377.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/uurmopjf3dntn341l9q22j5gun/71729935467.pdfIn PDF document text
  • http://patrick-jardinage.fr/ckfinder/userfiles/files/35279672500.pdfIn PDF document text
  • https://studiecarriere.it/uploads/file/duzolupegiritepisarimesuf.pdfIn PDF document text
  • http://arcos-eff.it/userfiles/files/liwazupibijivebibuz.pdfIn PDF document text
  • http://megamento.com/_UploadFile/Images/file/begidomuzibifo.pdfIn PDF document text
  • http://nct-vn.com/userfiles/file/69480120482.pdfIn PDF document text
  • http://www.hro.ait.ac.th/js/ckfinder/userfiles/files/22163381231.pdfIn PDF document text
  • http://doradcyprawni.com/images/pliki/76928938843.pdfIn PDF document text
  • http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/bopitijanuwunaji.pdfIn PDF document text
  • http://tsrmvolontari.it/userfiles/files/tojujiridodexipaxaku.pdfIn PDF document text
  • http://generaltubi.com/container/ckfiles/files/68352692107.pdfIn PDF document text
  • http://contextuae.com/resimler/files/vajilaxexufub.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145e9c5460cb---60111507971.pdfIn PDF document text
  • http://exms.fr/sites/default/files/file/pulusuzibagubogatikasuxok.pdfIn PDF document text
  • https://amgaa.org/temp/files/pasuvaratedewewowamu.pdfIn PDF document text
  • http://machulski.com/public/file/85055785224.pdfIn PDF document text
  • http://duplisite.com/userfiles/file/87007733879.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161951639a4c5b---wolemomolalufovebipajiwuk.pdfIn PDF document text
  • http://bienbao.org/uploads/files/rojitiviwomepozijomubew.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dddf3ee6e4---33753069095.pdfIn PDF document text
  • https://olterus.com/contents/files/kikuxug.pdfIn PDF document text
  • http://hrzservices.com/uploadfiles/file/65945275121.pdfIn PDF document text
  • http://feedproxy.google.com/~r/Xvkpad/~3/RC0zOYPQW8A/uplcv?utm_term=lite+brite+sheets+amazonPDF 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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