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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://crysiq.ru/uplcv?utm_term=organelle+review+worksheet+answers PDF link annotation

  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16108079109422---36310228944.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/f0d84d166ff60e2daaa1f1df7bfec29f/84162419768.pdfIn PDF document text
  • https://cahayaapi1.com/contents/files/pudetivupotuxegiw.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160abfc034188d---rejakufetizubusekikep.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160790c3db7e66---35957269090.pdfIn PDF document text
  • http://happyhanool.com/ckupload/files/dofusotowakuxazaliwikas.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e10bc3c910---42121778742.pdfIn PDF document text
  • https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/def885a08ac3059d434d52224f7d43c5/xerokegubiwam.pdfIn PDF document text
  • http://virtualcharityevents.com/vce_cake/files/files/24199347024.pdfIn PDF document text
  • https://fallsplat.se/file/xirenikizes.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/48301be484ff835367e5291c0862543c/72558477946.pdfIn PDF document text
  • http://lyshiying.com/d/files/fufasesivapotavun.pdfIn PDF document text
  • http://szybkieprawko.pl/szybkieprawko.pl/user/admin/fck/file/kixiwodul.pdfIn PDF document text
  • https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/f430843702b608a5ec695e7ee08bb044/vuziwo.pdfIn PDF document text
  • https://www.db-ynox.fr/ckfinder/userfiles/files/14583185494.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/1fe2ed2bbb6d796062cd8758850dcf91/lofujominabox.pdfIn PDF document text
  • https://xn--80aaijz0c.xn--p1ai/ckfinder/userfiles/files/16893152769.pdfIn PDF document text
  • http://cabini.it/userfiles/files/94296273623.pdfIn PDF document text
  • http://asid.rw/userfiles/file/jamonekenax.pdfIn PDF document text
  • http://cambresisemploi.fr/ckfinder/userfiles/files/37453473211.pdfIn PDF document text
  • http://tuzvedo.hu/elemek/file/36814046630.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160af9ce4a1dcf---rebew.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16128f8d4bec1a---81518145383.pdfIn PDF document text
  • http://all-vehicle.net/js/upload/files/45203542476.pdfIn PDF document text
  • http://realcomfort.ru/content/upload/file/tanosi.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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