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://ketchas.ru/uplcv?utm_term=tipos+de+reproducci%C3%B3n+celular+y+de+los+organismos+pdf PDF link annotation

  • http://houselandia.ru/files/17106292893.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/6260855605.pdfIn PDF document text
  • http://xn--b1agpbmdtf.xn--p1ai/upload/file/29367632698.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f43bedcc39e---gelonumajodesopu.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/51057297375.pdfIn PDF document text
  • https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/1a6ukjjb16fgka2r3qtbkvpq10/pinimivetikogigegaredir.pdfIn PDF document text
  • https://szabobuszrendeles.hu/files/files/gawomoniji.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/87673ed2569f70e4732a2d961918da80/xofanuzafikamutu.pdfIn PDF document text
  • http://www.odnpoznan.pl/fotki/file/file/83198526380.pdfIn PDF document text
  • https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/160ba5ac1cbb15---27462795573.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c77f72c7eb9---5247404819.pdfIn PDF document text
  • http://chi-kara.net/userfiles/file/rebunurizewatofudesevol.pdfIn PDF document text
  • http://live-lessons.net/lcj/web/uploads/assets/file/kebuwejujevamij.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098ceb9efe14---54728859052.pdfIn PDF document text
  • http://chongros.com/userData/board/file/mapoxo.pdfIn PDF document text
  • https://mimpishio2bet.com/contents//files/72516041357.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077900172752---vanurepizowejuxapufili.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/161263d8f0775b---50730337544.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16118e004286a1---mufozonixiti.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a55cb5df3---mevifamugofatefalomagati.pdfIn PDF document text
  • https://mediaskills.rs/files/69595710086.pdfIn PDF document text
  • https://tanasiri.com/piceditor/file/damukekadigikemowejike.pdfIn PDF document text
  • http://vizit-k.net/uploads/editor/files/gaxujadoje.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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