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://yoyep.co.za/XSRYdR1H?utm_term=easy+jeopardy+questions+and+answers+printable PDF link annotation

  • https://dp-engineers.com/admin/userfiles/file/jifazefekovuf.pdfIn PDF document text
  • http://ieltsadd.ir/cache/fck_files/file/44662757366.pdfIn PDF document text
  • https://www.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161707aa80b88b---51979184097.pdfIn PDF document text
  • http://itps-group.com/uploadfiles/file/wenivorikikuvepa.pdfIn PDF document text
  • http://laclonghotel.vn/upload/files/56238081428.pdfIn PDF document text
  • https://maria-galland.ru/files/file/negevidizegukefovutaweg.pdfIn PDF document text
  • http://giayviettri.com/img-ftec/files/40163645089.pdfIn PDF document text
  • https://eventpro-kontraktorpameran.com/uploaded/files/44033562499.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/i0lgd70nrdojtg7me4m0atmgot/tazusunagazikutuved.pdfIn PDF document text
  • http://tipsclubcr.com/campannas/file/59841363491.pdfIn PDF document text
  • http://cambodia-footwear.org/kcfinder/upload/files/72923768598.pdfIn PDF document text
  • https://fonixkoncert.hu/upload/file/xagimigusuwabizezod.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/4c2763881e049ba377d0a5def0f5927d/31180215528.pdfIn PDF document text
  • https://suma.ca/upload/editor/file/74016833128.pdfIn PDF document text
  • https://songiadahoaian.com/upload/ck/files/40533284350.pdfIn PDF document text
  • http://pc580.cn/upload_fck/file/2021-9-28/20210928225158332419.pdfIn PDF document text
  • http://www.s4b.nl/upload/files/benejagasupigalalemed.pdfIn PDF document text
  • https://kotypsy.pl/ckfinder/userfiles/files/diferijutugera.pdfIn PDF document text
  • http://studiopignotti.it/userfiles/files/vetepolutid.pdfIn PDF document text
  • http://rootbeadmill.com/upload_fck/file/2021-11-18/20211118221307680653.pdfIn PDF document text
  • https://phunhai.net/upload/files/61050510961.pdfIn PDF document text
  • http://systempro.kr/userData/board/file/suzolotune.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/32674278028.pdfIn PDF document text
  • http://dralituncer.com/userfiles/file/lufulafifagum.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/xelavadog.pdfIn PDF document text
  • https://atamergranit.com/userfiles/file/gutivesipuz.pdfIn PDF document text
  • http://zsdbiopharm.com/upload/files/gamatizewekeroto.pdfIn PDF document text
  • https://deltaguvenlik.net/userfiles/file/bokonener.pdfIn PDF document text
  • http://tycoonmedical.com/userfiles/file/49879727433.pdfIn PDF document text
  • http://veganogle.es/uploads/ckfinder/files/lixerabujibuwoxiti.pdfIn PDF document text
  • http://35ct1.com/images/ckImageFiles/files/77909394053.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/file/zenupalesid.pdfIn PDF document text
  • http://zdrowejaja.com/Upload/file/rezajutosepora.pdfIn PDF document text
  • http://daechienglishpark.com/ckfinder/userfiles/files/welemanopifi.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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