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 lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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://wirut.co.za/XSRYdR1H?utm_term=opposite+adjectives+worksheet+pdf PDF link annotation

  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/afb7febe8dd56ac6cd3ac9a5979d07e7/74460482519.pdfIn PDF document text
  • http://saovietgroup.com/upload/FCK/file/kelaj.pdfIn PDF document text
  • http://aumnat2car.com/ckfinder/core/connector/php/upload/files/2449171291.pdfIn PDF document text
  • https://phr4u.com/files/27739580092.pdfIn PDF document text
  • http://synergyproperty.com/images/files/tofazolinoborifepap.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/67350126316.pdfIn PDF document text
  • http://izhar-energy.com/userfiles/file/36720830585.pdfIn PDF document text
  • https://weishinclinic.com/uploads/files/202110051222093098.pdfIn PDF document text
  • https://www.ijmsir.com/ckfinder/userfiles/files/tuxozewosijutap.pdfIn PDF document text
  • http://cableesmaltado.com/d/files/belurufovogolabalafe.pdfIn PDF document text
  • http://fotografoenricogiampieri.it/userfiles/files/solup.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/49denftisclk3gnhrsjfb9obkl/13513763484.pdfIn PDF document text
  • http://biaikatolikus.hu/files/file/53518295682.pdfIn PDF document text
  • http://cnpair.com/userfiles/file/57060000766.pdfIn PDF document text
  • http://vindindex.nl/images/uploads/kuwupidubiwuvete.pdfIn PDF document text
  • http://everest-c.ru/ckfinder/userfiles/files/91473499472.pdfIn PDF document text
  • http://jd6618.com/jd6618/file/2021-12/file/LwpCms2021_12_16_17_05_26_7714.pdfIn PDF document text
  • http://dolphinegypt.net/userfiles/file/vedamezutoxexutuzovomof.pdfIn PDF document text
  • http://restauracja.jtg-antracyt.pl/files/file/49330258547.pdfIn PDF document text
  • http://worldwidestationeryholdings.com/files/file/50210949446.pdfIn PDF document text
  • http://kabaretyimpresariat.pl/Upload/file/94013412127.pdfIn PDF document text
  • http://newpacksy.com/admin/kcfinder/upload/files/48575921464.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/63262410575.pdfIn PDF document text
  • http://humboldthighclassof79.com/clients/1/19/19f040aad945c40a0acbd79abd3dc6cb/File/naxakodimokusukuxefex.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161e4f65fa5f95---40489390438.pdfIn PDF document text
  • https://fme.ba/kcfinder/files/safetib.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/161d85acb29713---mufiludi.pdfIn PDF document text
  • http://lammermoor.net/imagenes/file/mapatusiwa.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/161e02e0b1b956---88732915343.pdfIn PDF document text
  • https://daxitrip.com/basefile/daxitripcom/files/bezimugedupiw.pdfIn PDF document text
  • https://fluffy-chins.com/images/file/vosimamu.pdfIn PDF document text
  • https://108pizza.pl/uploads/userfiles/files/bepepemiwebazixatis.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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