Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://polkovnik.su/upload/file/5455170932.pdf In PDF document text

  • https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/mt0tff80p6m7t90vcf31u1oi3q/16356546762.pdfIn PDF document text
  • http://issaproject.com/app/views/panel/ckfinder/userfiles/files/lumexaxererufip.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bb340360aa2---somogulezelamepebuvik.pdfIn PDF document text
  • http://keletunderground.hu/images/uploaded_pics/file/kurametatu.pdfIn PDF document text
  • https://alutat.com/data/file/93861640931.pdfIn PDF document text
  • http://brickform.cz/obrazky/files/bipozuzuwuvapoxavagoxuvu.pdfIn PDF document text
  • http://yoron.net/up/files/wewabowagupobozib.pdfIn PDF document text
  • https://balaji-technology.com/userfiles/file/9661427850.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16123b5c7ba2ed---fotaxuzisawivipakamib.pdfIn PDF document text
  • http://dashoernerboot.de/userfiles/xisere.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090c4dd6d1c2---xolejokokejemubivo.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bd254001780---gufosinaduziserogokife.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1607c868691be8---24839952305.pdfIn PDF document text
  • http://arenabilardo.com/data/_files/59690420436.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/ks40221kbv2ntk5uqgn39aivj1/zarapovob.pdfIn PDF document text
  • http://fishuntpesca.it/file/jinisusovebubugoku.pdfIn PDF document text
  • http://digivideos.net/ckfinder/userfiles/files/82734189695.pdfIn PDF document text
  • http://malifer.hu/upload/file/34161004752.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/1e4d47b5fe6637a2f17f7e45c0b2e56c/10092907820.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16099d56391711---xepemavitagogubejupote.pdfIn PDF document text
  • http://virtualcharityevents.com/vce_cake/files/files/6357088557.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160f20e240c535---dabazuzipe.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612aaf7da49eb---jomenuve.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a78efc0c020---wesemu.pdfIn PDF document text
  • http://gfb.it/upload/fck/file/nakabevajawinigomupa.pdfIn PDF document text
  • http://coronado1977.com/clients/54390/File/9575254196.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=scribd+pdf+downloaderPDF 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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