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://cafij.co.za/XSRYdR1H?utm_term=android+sdk+manager+path PDF link annotation

  • https://healthmatters.me/userfiles/file/57419459311.pdfIn PDF document text
  • http://gonetcarbide.com/userfiles/file/LianMeng202202021255408160.pdfIn PDF document text
  • https://triangle-electronics.com/assets/userfiles/file/tipojakojasozix.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/162101cfaa2b73---bozamujagoxasibededuvu.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1621704a0e8997---1263390292.pdfIn PDF document text
  • http://contelex.it/userfiles/files/fidoda.pdfIn PDF document text
  • http://shinex-auto.com/userfiles/file/13775528978.pdfIn PDF document text
  • https://vejwun.cz/images/58062703721.pdfIn PDF document text
  • http://www.mkfilm.it/ckeditor/kcfinder/upload/files/fugiguvuguberufakilezi.pdfIn PDF document text
  • http://malerbetrieb-malanders.de/Webseite/pics/fotos/1/file/nabumakutokujukajuve.pdfIn PDF document text
  • http://liweisteel.co.th/ckfinder/userfiles/files/babogatubunas.pdfIn PDF document text
  • http://supermarketdv.ru/files/file/tujubinafawibivovuniru.pdfIn PDF document text
  • http://mediedil.eu/userfiles/files/37736623393.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16212a358604be---6607599026.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16211825c53c35---48524272319.pdfIn PDF document text
  • https://stthomasorthodoxchurchsouthpampady.com/userfiles/file/mijegidi.pdfIn PDF document text
  • http://oresteruggiero.com/userfiles/files/momibora.pdfIn PDF document text
  • https://cmri.ckbirlahospitals.com/controlpanel/kcfinder/upload/files/gusatesu.pdfIn PDF document text
  • http://z-sinpro.com/upload/files/17262828351.pdfIn PDF document text
  • https://radiofarsasch.online/upload/files/rigesokadaxuj.pdfIn PDF document text
  • http://stluciachamber.org/uploadedImages/contentImg/file/korudolu.pdfIn PDF document text
  • https://aramlasmerok.hu/uploads/file/573744887.pdfIn PDF document text
  • http://www.firstpages.eu/app/webroot/files/userfiles/files/59482280243.pdfIn PDF document text
  • https://handientu.vn/userfiles/file/51481701144.pdfIn PDF document text
  • http://prometric.ir/admin/upload/files/40304553598.pdfIn PDF document text
  • http://kirpichi.su/kcfinder/upload/files/70213574177.pdfIn PDF document text
  • http://www.razitka-conti-trodat.cz/kcfinder/upload/files/masibabakapovadurov.pdfIn PDF document text
  • http://conserviabd.com/assets/ckeditor/kcfinder/upload/files/siwuse.pdfIn PDF document text
  • https://morabia.fi/images/file/42802368493.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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