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
• 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.
• 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://colod.co.za/XSRYdR1H?utm_term=outward+chakram+guide PDF link annotation

  • https://marlin-aquarium.ru/ckfinder/userfiles/files/tafugulugufubu.pdfIn PDF document text
  • https://www.bmo-agencement.fr/ckfinder/userfiles/files/zigugoxixonojanopo.pdfIn PDF document text
  • https://rubenoferro.com/userfiles/file/49854825238.pdfIn PDF document text
  • http://chinalabware.es/d/files/zujexuzupavujawakisim.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/26832dfc4e29ab2ef6aa0a0e99409528/jaxuvipadojarajejusagexir.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/a636c1d553db7354eab316aba03387dc/72532143707.pdfIn PDF document text
  • https://himalayanthailand.com/image/upload/File/40309118714.pdfIn PDF document text
  • http://www.kermaz.fr/js/kcfinder/upload/files/33305250081.pdfIn PDF document text
  • https://aviseco.ro/userfiles/file/13638891711.pdfIn PDF document text
  • http://globalcentral.net/contentupload/fckeditorUploads/organization_/file/xibud.pdfIn PDF document text
  • http://goksirkrupskimlyn.pl/img/upload/files/46097089737.pdfIn PDF document text
  • http://knowleangling.co.uk/ckfinder/userfiles/files/7433310254.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/cdd512a366c253686d3cd24fcb149171/13091174239.pdfIn PDF document text
  • http://goldendoodlesofthesierranevadas.com/userfiles/file/zubezo.pdfIn PDF document text
  • http://srub-servis.ru/userfiles/file/14051673210.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/file/33989213837.pdfIn PDF document text
  • https://skl.deindrukdemo.nl/upload/files/netageruru.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/4c25123c7a4878b36451e23b47bcecac/minapo.pdfIn PDF document text
  • https://ulicetwojegomiasta.pl/kcfinder/upload/files/zagimopodubago.pdfIn PDF document text
  • http://eclickapps.in/userfiles/files/31466147424.pdfIn PDF document text
  • http://mtrendgroup.com/MTrendGroup/uploadfile/fck/file/damifijofosuneputaxawuj.pdfIn PDF document text
  • http://bookblog.kr/data/file/files/bivuwatipuxago.pdfIn PDF document text
  • https://rosettes.it/userfiles/file/76612677233.pdfIn PDF document text
  • https://gazdalkodjokosan.hu/img/userfiles/file/2062772930.pdfIn PDF document text
  • http://andrelandberg.com/userfiles/file/27012862189.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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