Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://crysiq.ru/uplcv?utm_term=how+do+you+wipe+your+phone PDF link annotation

  • http://goldstecq.com/userfiles/file/dizazufosa.pdfIn PDF document text
  • http://officeharbor.com/pdtInfo/57668460537.pdfIn PDF document text
  • http://houselandia.ru/files/razimisabilad.pdfIn PDF document text
  • http://geoplan.su/userfiles/file/89020332845.pdfIn PDF document text
  • http://patrick-vallot.com/upload/files/59881827667.pdfIn PDF document text
  • http://sonarkella.com/userfiles/file/joneteloduwuf.pdfIn PDF document text
  • http://gaongonmaiphuong.vn/webroot/img/files/zoxeribozeje.pdfIn PDF document text
  • http://www.thaitofu.com/image/upload/File/59157152266.pdfIn PDF document text
  • http://chafewyuok.handysociality.com/upload/files/mutute.pdfIn PDF document text
  • http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/10079293287.pdfIn PDF document text
  • http://violetstudio.in/userfiles/file/belexijubipu.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/161416ab03e8b3---kunomefaliwowomekufevi.pdfIn PDF document text
  • http://shangrilayunnan.com/ckfinder/userfiles/files/begovunekiruvu.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/27c2af513c8a23f9c36bb16a1ae26af4/38692823173.pdfIn PDF document text
  • http://psycare-spb.com/userfiles/file/35348957869.pdfIn PDF document text
  • http://yingtailong.com/upload/file/2109060448547480602pz9ywtn348r.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16137a65013c24---sirado.pdfIn PDF document text
  • http://studiocinti.eu/userfiles/files/pisajasagogufav.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/66228796983.pdfIn PDF document text
  • http://hidrometa.com/images_upload/files/wetuzuwajoxekubutev.pdfIn PDF document text
  • https://fivetc.vn/uploads/files/99259788017.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161412546de8e2---44990085970.pdfIn PDF document text
  • http://df-foundry.net/d/files/50253233613.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/j2o6ib0hiintmnq80a8bd42bf0/79432056115.pdfIn PDF document text
  • https://www.posluh.hr/ckfinder/userfiles/files/26523014837.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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