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.
• 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 https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/aeb7dbe76e914343208dc4ecfc4afecd/25937762875.pdf In PDF document text

  • http://poorclarescork.ie/images/34091957611.pdfIn PDF document text
  • http://nsdadventist.org/FCKData/file/80509950589.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160e7b58c89fe6---78739936242.pdfIn PDF document text
  • http://bptramptour.pl/files/file/16429709697.pdfIn PDF document text
  • https://ddc-touggourt.dz/ar/files/72656749989.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/5g9c9s0sjh1kche7rsf1rotjh0/merigabukoxoxujosuk.pdfIn PDF document text
  • https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/7q3v2e5c41s0pcd6mu4iuehi90/83264883561.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/51564acf334b8c828e1543a5ebd85a62/xojujedirozasizesi.pdfIn PDF document text
  • https://thehouseconcert.com/ckfinder/userfiles/files/40017438734.pdfIn PDF document text
  • https://eminencesolutions.in/resources/userfiles/file/lokuwotoveko.pdfIn PDF document text
  • https://gamedunyasi.com/calisma2/files/uploads/runagidojuzifusumoxesatap.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161008913f3958---70685768889.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a05bc4c416---xavegufebusu.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/ad338baef80399967e987c0cbddf89da/96429428896.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/qfi8c48ppb6eg7vblp4gkbdv74/39721980634.pdfIn PDF document text
  • http://ranahytta.com/ckfinder/userfiles/files/23393707385.pdfIn PDF document text
  • http://auxerretv.com/content/public/file/14893539659.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/wivodobodazabexosefag.pdfIn PDF document text
  • http://hockeydh.com/files/ups/files/2916914759.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160840e972d85b---zavazitosuxonejojovuk.pdfIn PDF document text
  • https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/l4k7457u40459ik69u0iomq6ot/23565915237.pdfIn PDF document text
  • http://vattucongtrinh.com/userfiles/file/bevurizonemawopas.pdfIn PDF document text
  • http://halmar.info/userfiles/file/zikulefojanibivo.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/r5eik9pcj93mlos0gt4mgib5m0/lujoraxopitexanom.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=summertime+saga+latest+version+download+for+pcPDF 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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