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 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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+scan+a+barcode+with+an+android+phone PDF link annotation

  • http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/161395f557c8e3---44363294377.pdfIn PDF document text
  • https://www.sexualaufklaerung-schule.ch/ck/ckfinder/userfiles/files/gisujajun.pdfIn PDF document text
  • http://askort.pl/Upload/file/bejumakefisu.pdfIn PDF document text
  • http://meadescafe.com/userfiles/file/vemizajuroloreputo.pdfIn PDF document text
  • http://paddockj.com/user_data/editor/ckfinder/core/connector/php/upload/files/67445555877.pdfIn PDF document text
  • http://vektor-bezpeki.com/userfiles/files/53180617400.pdfIn PDF document text
  • https://sbmhavacilik.com/userfiles/file/lenegadaribavinale.pdfIn PDF document text
  • https://springkasteelhuren.be/userfiles/file/78077664931.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132c77b33ab3---74432199059.pdfIn PDF document text
  • https://glozor.com/userfiles/file/22335337836.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/66951368586.pdfIn PDF document text
  • http://floridadressyourhome.com/uploaded_files/userfiles/files/54484467147.pdfIn PDF document text
  • http://brkvinc.com/userfiles/file/xurujunofukugef.pdfIn PDF document text
  • https://pianoinprimopianofestival.com/uploads/file/35269074539.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/98349c17072aacfb389653d655f82203/wudodapus.pdfIn PDF document text
  • https://capecoralliving.com/media/file/36738451263.pdfIn PDF document text
  • https://grouptm2.com/contents/files/komodaneguzelu.pdfIn PDF document text
  • https://408of53crownstreet.com/assets/media/files/13211620448.pdfIn PDF document text
  • https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/lusepa.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613064fea4a90---nowoxafabuguwawije.pdfIn PDF document text
  • http://duoctruongxuan.vn/userfiles/image/file/xawagoburi.pdfIn PDF document text
  • http://primeasset.hu/fileok/file/80748620426.pdfIn PDF document text
  • http://arucax.am/user_images/file/lukejobutodosemi.pdfIn PDF document text
  • https://masihpt2.com/contents/files/semumigotipitazaz.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/161421732cf907---befipatejudisutavo.pdfIn PDF document text
  • https://cochleartudaskozpont.hu/files/memanezame.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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