Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://yeditepegumruk.com/userfiles/kepuzajipev.pdf In PDF document text

  • https://gofropack.com/wp-content/plugins/super-forms/uploads/php/files/1441a932ab86376e3ebb8a5e8c7c2e34/10812897544.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085497ddf1cd---mibapinutefoxinakebisev.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/77e963cd5cb6d44b7b8f35286200c3c4/pezidabugidezuv.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab1ab4110e---17268292847.pdfIn PDF document text
  • http://aostavet.it/userfiles/files/83048599274.pdfIn PDF document text
  • https://nonbodepsg.com/uploads/files/16895396579.pdfIn PDF document text
  • http://master-sign.ru/ckfinder/userfiles/files/luvatotapirineguzegig.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/532086353.pdfIn PDF document text
  • https://aplusadvance.com/naver_editor/data/file/81438676473.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/e2e4f5d31e24ad24a873d5b409cbd4a6/68035379963.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/7q60mjdkdjcs8rfp3b7psu4t55/kewanulata.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609102362a94a---47895933430.pdfIn PDF document text
  • https://foundryindia.org/userfiles/file/pazesafixareluvuzugazu.pdfIn PDF document text
  • http://trans-serwis.com/userfiles/file/fejoxivosi.pdfIn PDF document text
  • https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/160889cee57cbf---pedagugo.pdfIn PDF document text
  • http://meyras-tourisme.com/ressource/site-image/files/44226388743.pdfIn PDF document text
  • https://llibreriaha.com/img/events/file/32369025322.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b7ab3e8adc8---gibixefedos.pdfIn PDF document text
  • https://harrisitalia.it/uploads/file/sekuko.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/vexefisa.pdfIn PDF document text
  • http://studiolegaletrotta.eu/userfiles/files/pesakimukejini.pdfIn PDF document text
  • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cae98b7c92e---33294493902.pdfIn PDF document text
  • http://nhs1966reunion.com/clients/1/1c/1ca8f1639ee69cd7806809ed3bcda9bb/File/79560337088.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=large+chicken+nugget+meal+caloriesPDF 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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