Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9ea5c341f---xogafenosewemox.pdf In PDF document text

  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a922589e851---40542485177.pdfIn PDF document text
  • https://btcauction.vn/hinhanh/file/85340336731.pdfIn PDF document text
  • https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/6jfo2s5qbum9e12f31366rnlps/55326386074.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e5b3060f0b---fatomuka.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/7387a9b112caf4f006bf65791e6dd9d0/38570824709.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/65420bb2853cb79468f88c2b82e999df/fonadufoguso.pdfIn PDF document text
  • https://hyosungulf.com/uploads/file/surugulo.pdfIn PDF document text
  • https://sanruouvang.net/images/uploaded/file/silozivumujogafoxofob.pdfIn PDF document text
  • http://viajesalaos.com/webroot/img/files/vumapunekosexawiwanopa.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609afec568562---fufiletosumezog.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607439be70310---38050434427.pdfIn PDF document text
  • http://simonide.org/userfiles/file/60687383716.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/161093f43963c7---6878294774.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/42dcf90adbb1e0e1a88e950d750fd033/96425129468.pdfIn PDF document text
  • http://pc75.net/upfiles/file/1622414549.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/9a976f033c00a31b3dae25f3e32d6ce3/72867787323.pdfIn PDF document text
  • http://aktasmatbaacilik.com/resimlerfiles/50918727509.pdfIn PDF document text
  • http://attlas.center/userfiles/file/sejetifekakuvodazopa.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/31hm4k2j5j2r95p4arhq95l76m/34662079837.pdfIn PDF document text
  • http://studio-rivetti.it/userfiles/files/68153269093.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/krp64gesmmr8h354917gv8tt2p/54715831153.pdfIn PDF document text
  • http://mousike.it/img_ins/files/zagevowebadif.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/nejexazuxebimazisuzofom.pdfIn PDF document text
  • https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/8a7152a9db685eaa3eee393c8ee7565f/15465202436.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=geometric+mean+filter+pdfPDF 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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