Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://huntic.ru/uplcv?utm_term=gandhi%27s+autobiography+pdf PDF link annotation

  • http://aromamahabaleshwar.com/ckfinder/userfiles/files/nuwimafukifupobimumexagov.pdfIn PDF document text
  • http://nonstopsushi.com/uploads/files/84984219300.pdfIn PDF document text
  • https://adsbudget.net/userfiles/file/30687976312.pdfIn PDF document text
  • https://noventa.cz/media/files/file/rulobaxegiv.pdfIn PDF document text
  • http://burmeseburmilla-allevamento.com/userfiles/files/wobawabakisijizivizenef.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d6552a21f---jimananalex.pdfIn PDF document text
  • http://barnesfamilyconnection.com/clients/f/f3/f37d50667a1bb99e511e26172889fab9/File/93601902165.pdfIn PDF document text
  • http://iberia-ex.com/images/blog//file/76730332305.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607f884fae0d8---zabanek.pdfIn PDF document text
  • http://gramercy-grand.ru/files/file/bubipomira.pdfIn PDF document text
  • http://benedictinoselrosal.org/ckfinder/userfiles/files/71130916853.pdfIn PDF document text
  • https://muratay.nl/userfiles/file/86164949951.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/s19u24crvu1j31dp783ut37k25/mabamoxowosu.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/7d1sq5e1o1tqhqq8lqkcqh7a72/5867291884.pdfIn PDF document text
  • https://starbox.fr/img/files/rinudivexusum.pdfIn PDF document text
  • http://bclgrouptt.com/userfiles/file/86832653378.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/161005cf259edc---zukevifinuvawed.pdfIn PDF document text
  • http://asbu.net/uploads/FCK_files/file/ledenefujukenakiti.pdfIn PDF document text
  • https://gbagencement.fr/uploads/file/44659280195.pdfIn PDF document text
  • http://uptownherndon.com/uploads/files/30107561124.pdfIn PDF document text
  • http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/54575788838.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/77679181418.pdfIn PDF document text
  • https://toolsatool.com/userfiles/files/24260594216.pdfIn PDF document text
  • http://ttlh.vn/storage/ckfinder/files/37881671162.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/xoxaketufu.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087ed3cab698---23509913659.pdfIn PDF document text
  • http://urdu-hadith.com/survey/userfiles/files/58410961381.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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