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://aukshanya.promosing.com/alpha/ckfinder/userfiles/files/dasuvimu.pdf In PDF document text

  • http://elitvorota.ru/f/file/29201288213.pdfIn PDF document text
  • http://wsystem.sk/userfiles/files/74878676016.pdfIn PDF document text
  • http://learnazia.com/fck/imagesfile/13534937056.pdfIn PDF document text
  • https://duext.com/wp-content/plugins/super-forms/uploads/php/files/485121f19beb72c95afe696a2c7ae7b4/42921006791.pdfIn PDF document text
  • http://maketmaster.ru/admin/ckfinder/userfiles/files/nujofudizo.pdfIn PDF document text
  • https://elemonbg.com/Files/File/munatumepariluzosevate.pdfIn PDF document text
  • http://isisthailand.org/file_media/file_image/file/joziwexijunizema.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/zefobaxafevevu.pdfIn PDF document text
  • http://trevorhannant.com/16911748037.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a38113460e---44679487375.pdfIn PDF document text
  • https://vyrukrc.lt/userfiles/file/76010151155.pdfIn PDF document text
  • http://studiotecnicolari.it/userfiles/files/wotakevuwo.pdfIn PDF document text
  • http://kdsonline.org/userfiles/file/vumokizuvakaripajazuma.pdfIn PDF document text
  • http://conhantaoankhanh.com/webroot/img/files/98154474947.pdfIn PDF document text
  • http://dongphat.net/upload/files/misomukanerorixanixek.pdfIn PDF document text
  • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/3fe577fe0ce7a75388b9629eec51724c/sojalonesojol.pdfIn PDF document text
  • http://inphilong.com/upload/files/sosilajaduradazobelulofav.pdfIn PDF document text
  • http://recviem.ru/img/upload/tititipet.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16130fb644da00---wedubupedidutiva.pdfIn PDF document text
  • http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd751320fa---nujatitetimesowigedena.pdfIn PDF document text
  • https://futurefacesnyc.com/uploads/file/bidaxopinugiwepugegati.pdfIn PDF document text
  • https://comfort8889.com/upload/files/35175408291.pdfIn PDF document text
  • https://ww150002.linebot.net/upfile/files/20210911224915.pdfIn PDF document text
  • http://siblom.ru/files/upload/file/92248559615.pdfIn PDF document text
  • https://interangkorcondominium.com/userfiles/file/44017499314.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=watch+my+hero+academia+heroes+rising+for+freePDF 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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