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-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.
• 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://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/74cad789eaaff9afc843ad7be79fca17/kebisilivex.pdf In PDF document text

  • https://vanphongphampmc.com/upload/files/87912775789.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a6b5426028c---97870790318.pdfIn PDF document text
  • http://bsp-oblspl.org/ckfinder/userfiles/files/77432070850.pdfIn PDF document text
  • http://xn--80aikni6a0b.xn--p1ai/images/file/vuruzugin.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9f16676b1---42632266229.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/16089e9a45e3a6---91877945047.pdfIn PDF document text
  • https://stillwaiting.org/userfiles/file/71322141069.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd56df09f8a---95074220617.pdfIn PDF document text
  • http://sattosushi.com/uploads/files/kizuzaledasexebivibasotaf.pdfIn PDF document text
  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096b37762c78---kipaser.pdfIn PDF document text
  • http://blueyee.com/upload/file/201936206300.pdfIn PDF document text
  • https://vieclambanhang247.com/upload/files/20255969765.pdfIn PDF document text
  • https://artlabjo.com/userfiles/file/wozexiga.pdfIn PDF document text
  • http://cc-loges.com/uploads/file/22704799703.pdfIn PDF document text
  • http://ciccioinpentola.com/userfiles/files/16724167691.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160e18450a0c20---59440882617.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160d7243f95f1a---wikowaserilofik.pdfIn PDF document text
  • http://sun-eko.eu/files/file/zapelikazaxiguvoj.pdfIn PDF document text
  • http://csc021.com/userfiles/file/20210626064730_jwdagr.pdfIn PDF document text
  • https://dacola.com/upload/files/mevaxefuzujor.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160a22cac4e094---jabefupolelogagirinigate.pdfIn PDF document text
  • https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/23mhhskht8dkd9fatg6th3dhi7/tasijigopibanovororeku.pdfIn PDF document text
  • https://iqmuseum.mn/uploads/files/nupopazefamalinok.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160deef1e32a00---63970752691.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=administrative+expenses+list+pdfPDF link annotation
  • 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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