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://norin.co.za/XSRYdR1H?utm_term=ubqari+risala+july+2018 PDF link annotation

  • http://www.jacenter.org/js/ckfinder/userfiles/files/67954854630.pdfIn PDF document text
  • http://asupuro.com/user_data/image/file/64079839034.pdfIn PDF document text
  • http://maynenkhipuma.vn/quangbasanpham/app/webroot/upload/image/files/zomunilamuxigumasol.pdfIn PDF document text
  • https://stalbeckers.nl/userfiles/image/file/pusufokafufevi.pdfIn PDF document text
  • http://nuocmambason.com/upload/fckimagesfile/80f4224f978d5d403d0e8121904d5c70.pdfIn PDF document text
  • http://www.520amis.com/upload/files/17788639776.pdfIn PDF document text
  • https://widerbet.pl/userfiles/file/ketelumaxekog.pdfIn PDF document text
  • https://12shio2.com/contents/files/93845635732.pdfIn PDF document text
  • https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/162182003efa15---63787569433.pdfIn PDF document text
  • http://zlobek.dinobajka.pl/Upload/file/newutax.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/16209e70e96a2f---gofumijejibagaputug.pdfIn PDF document text
  • http://pietroquatriniarchitetto.eu/userfiles/files/60293188936.pdfIn PDF document text
  • https://myphambambi.com/webroot/img/files/9832112730.pdfIn PDF document text
  • http://studiosaletta.it/userfiles/files/68804590973.pdfIn PDF document text
  • http://pileshoppen.dk/userfiles/file/zanigamifovobegilixo.pdfIn PDF document text
  • https://x-leather.com/radsportfiles/file/vekugor.pdfIn PDF document text
  • http://eschool365.in/js/admin/uploadfiles/file/gelubixuwenuzu.pdfIn PDF document text
  • https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616500728bc28---mopisuditewafegurara.pdfIn PDF document text
  • http://www.korsun.ic.ck.ua/js/kcfinder/upload/files/62830952165.pdfIn PDF document text
  • https://enkaotomatikkapi.com/depo/sayfaresim/file/fusumejekepavogulizewugi.pdfIn PDF document text
  • http://editions-tlp.fr/ckfinder/userfiles/files/toxegen.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16191abc3f16f0---toxejuninak.pdfIn PDF document text
  • http://lmalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lozuveniwakibuzeke.pdfIn PDF document text
  • http://xn--9i1b14l32gg2dsybq3b.com/upload/fckeditor/file/69805834596.pdfIn PDF document text
  • https://hunglivet.com/uploads/files/202108212243504767.pdfIn PDF document text
  • https://afpf.emailingmanager.com/uploads/editor/file/leralawila.pdfIn PDF document text
  • https://iamtimeshare.com/userfiles/file/12649381921.pdfIn PDF document text
  • https://dalilak1.com/userfiles/file/vevezawigizenuguvam.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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