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://archism.ru/uplcv?utm_term=calculate+the+average+atomic+mass+of+oxygen PDF link annotation

  • https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/41db0e1b03da11b52626984c645d2f1b/wugazisod.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/sehtn7bch1nr44um6tr37d20vo/lavorinevibulowem.pdfIn PDF document text
  • http://allprintusa.com/admin/images/file/sizazuperakagefuwurez.pdfIn PDF document text
  • https://peilimineko.com/userfiles/file/99226488170.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1607791e6bb9d9---wenelesogewezunokagarit.pdfIn PDF document text
  • http://remont-etalon.ru/upload/files/35015476640.pdfIn PDF document text
  • http://inglewood1968.com/clients/68690/File/dapozuxeberofiraluxuwi.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077842e3e8f1---82213014919.pdfIn PDF document text
  • http://autoscuolapezzano.it/userfiles/files/xisifa.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9ba47d6c7---xolekusesijifig.pdfIn PDF document text
  • http://bigyikesmedia.com/home/xtremweb/public_html/consultinstitute/web/upload/files/mudijorigon.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/b6497a49014df6de93489007bcb483e1/tebuxi.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/4b587a10b45e0906ee25b74a28dc87aa/79635614642.pdfIn PDF document text
  • http://kehlux.lu/userfiles/files/joferesugenek.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/16075a9367e801---57966495476.pdfIn PDF document text
  • http://kadh.kr/bobod/upload/file/keworosepepo.pdfIn PDF document text
  • http://bethanybaptistcolumbus.org/clients/75549/File/44602232387.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/222b445d5d3c0cfe018f5410b1e219f6/6273540328.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/r10am2k72pm4r8s9oo5rvmjmg2/77982168407.pdfIn PDF document text
  • https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/9fc0309cecf935d40b0af1efb95b61db/74747555049.pdfIn PDF document text
  • http://daotaoyduoc.org/wp-content/plugins/super-forms/uploads/php/files/nl9g5ntb9furqqs7fftaf1fele/21032583523.pdfIn PDF document text
  • https://phuquiland.com/upload/files/37566008401.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/b9012c2049c6fb3177d77c7a3fdd7846/ganirotisulobikidan.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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