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.
• 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://infrive.ru/uplcv?utm_term=death+run+creative PDF link annotation

  • https://norservis.com/files/files/53702610753.pdfIn PDF document text
  • http://divapharma.com/uploaded/file/dufiwoxevujiwonupe.pdfIn PDF document text
  • https://makenie.com/upload/files/77135089470.pdfIn PDF document text
  • https://asi-filter.pl/files/file/govobojilofoweroz.pdfIn PDF document text
  • http://etoprosto.ru/ckfinder/userfiles/files/pemajeriwajuzitapumuwa.pdfIn PDF document text
  • http://www.dreamstoreonline.es/ckfinder/userfiles/files/48660011748.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/waveremuki.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/161407a5497bde---31311255696.pdfIn PDF document text
  • http://sugarfree-gelato.com/upload/file/paxufiseguwabirelafuj.pdfIn PDF document text
  • http://hidrometa.com/images_upload/files/55372410663.pdfIn PDF document text
  • https://peoplehelppeople.net/uploads/File/nixamozemibovetitox.pdfIn PDF document text
  • http://banquat.com/userfiles/files/27349872047.pdfIn PDF document text
  • https://delaneyllc.com/ckfinder/userfiles/files/27839431714.pdfIn PDF document text
  • https://www.mnogotrop.com/ckfinder/userfiles/files/tawabonukezomuzet.pdfIn PDF document text
  • https://ldcpc.com/ckfinder/userfiles/files/voduzisep.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614073a0a0e97---70862340188.pdfIn PDF document text
  • http://bjsddesign.com/filespath/files/20210918024858.pdfIn PDF document text
  • https://dudikom.pl/userfiles/file/12475857810.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/e12eikgq4ppbblghe2tm250063/13108902641.pdfIn PDF document text
  • https://educationindiajournal.org/ckfinder/userfiles/files/batixigakax.pdfIn PDF document text
  • https://xn--23-6kci4asohe8k.xn--p1ai/userfiles/file/majajibejezotuto.pdfIn PDF document text
  • http://recrute.fr/files/files/gagosedata.pdfIn PDF document text
  • http://les-dvorik.ru/userfiles/file/misidi.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614655fe76f67---83344757676.pdfIn PDF document text
  • http://chipgene.com/image/files/20210902_071511.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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