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.
• 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.
• 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://loheb.co.za/XSRYdR1H?utm_term=ischemic+cardiomyopathy+guidelines+2015 PDF link annotation

  • http://sinorarechem.com/upload/files/28483024819.pdfIn PDF document text
  • http://videofilm-tv.ru/content/File/57986467340.pdfIn PDF document text
  • https://ww150006.linebot.net/upfile/files/20220211004725.pdfIn PDF document text
  • https://www.afoa.org.ar/backend/ckfinder/userfiles/files/74180965339.pdfIn PDF document text
  • https://makojudo.pl/zdjecia/fck/file/63708405580.pdfIn PDF document text
  • https://petrovsky14.ru/docs/files/76064504864.pdfIn PDF document text
  • https://henuopack.com/d/files/57897017957.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/162245f4c6b502---vatevul.pdfIn PDF document text
  • https://antiquites-opio.com/kcfinder/upload/files/wojekokuromofovazul.pdfIn PDF document text
  • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/donojabo.pdfIn PDF document text
  • http://kaizenlife.com/ckfinder/userfiles/files/28153570851.pdfIn PDF document text
  • http://bishalfurniture.com/assets/kcfinder/upload/files/mavigavuvedokuwono.pdfIn PDF document text
  • http://marsalanoleggio.it/userfiles/files/fesiwuwutozatufoseb.pdfIn PDF document text
  • http://lctrading-gmbh.com/ckfinder/userfiles/files/60559605183.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/nh1ccak7i91thm19456fh855ir/kanemepudetisukoxuxuguzol.pdfIn PDF document text
  • https://jpt.mysmartedu.com/uploadimages/files/50806735063.pdfIn PDF document text
  • https://dolupin.com/calisma2/files/uploads/62724262565.pdfIn PDF document text
  • http://rideco.hu/upload/file/levokenogakatod.pdfIn PDF document text
  • https://anvatsaigon.suzukihungyen.net/data/dulieu/files/dizavekusixo.pdfIn PDF document text
  • https://ibest.itcmati.ru/admuploads/file/4081785738.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/20883284044.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620784087fb5d---11122297466.pdfIn PDF document text
  • http://pbwi.com.pl/admin/kcfinder/upload/files/tizerarag.pdfIn PDF document text
  • https://subarini.sibiuimobiliare.ro/mm/file/gepajavifuzetisuwo.pdfIn PDF document text
  • https://www.monacruises.com/html/scripts/ckeditor/kcfinder/upload/files/67778532714.pdfIn PDF document text
  • http://wittlich-luexem.de/userfiles/file/9188402179.pdfIn PDF document text
  • https://jpt.mysmartedu.com/uploadimages/files/lowebetadolemug.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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