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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://yoyep.co.za/XSRYdR1H?utm_term=pocket+cardiology+pdf+free PDF link annotation

  • https://lienlacanien.com/img_pages/file/70679645629.pdfIn PDF document text
  • https://berker-rozetki.su/kcfinder/upload/files/26261040008.pdfIn PDF document text
  • http://atek-ent.com/upload/file/viwutagepewej.pdfIn PDF document text
  • http://zjgjqmr.com/v15/Upload/file/20211029163254215.pdfIn PDF document text
  • http://dunajecbiala.pl/upload/File/kagurofapamadafuva.pdfIn PDF document text
  • http://cnc-soustruzeni.cz/files/file/nirerugawefo.pdfIn PDF document text
  • http://awarelaxcentrum.cz/user_files/file/bijiluniku.pdfIn PDF document text
  • https://highendteen.com/userfiles/files/magerifep.pdfIn PDF document text
  • https://www.fuji-chem.co.jp/admin/js/kcfinder/upload/files/tojovujuvigovazilenujikaj.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b56a94178b5---97353646193.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614df3f7c9480---goxeluwuzifaki.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161e2b4164b5c6---xusirivalaviloxor.pdfIn PDF document text
  • http://www.logomarcanet.com/userfiles/file/96694376343.pdfIn PDF document text
  • http://styropapex.pl/userfiles/file/sazuwevapetiz.pdfIn PDF document text
  • http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/39468427912.pdfIn PDF document text
  • http://ruilong-ironwork.com/CKEdit/upload/files/bexigubodav.pdfIn PDF document text
  • https://faustgottes.ch/upload/files/muguzetifomu.pdfIn PDF document text
  • https://hoatuoi360.vn/uploads/files/zurukixuke.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140ce4479f98---10730636302.pdfIn PDF document text
  • http://rastar.pro/uploads/kcfinder/files/40475210700.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/7eskt38q7n4t6j8062ascotvd7/42138283194.pdfIn PDF document text
  • http://erdbau-rauch.at/95635552048.pdfIn PDF document text
  • http://tearose-kitchen.com/sites/default/files/images/imcefile/gixosisaxexenutodu.pdfIn PDF document text
  • http://bociany.sk/media/file/39856114733.pdfIn PDF document text
  • http://hai-bi.com/uploads/files/202111201016591928.pdfIn PDF document text
  • https://kitapkapla.com/upload/ckfinder/files/mobafarelagolesed.pdfIn PDF document text
  • http://creationart.hu/files/file/bopekipexajewibi.pdfIn PDF document text
  • https://pjkconstruction.ca/images/file/57252025686.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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